1020384 has 48 divisors (see below), whose sum is σ = 2978640. Its totient is φ = 339840.

The previous prime is 1020379. The next prime is 1020389. The reversal of 1020384 is 4830201.

It is a happy number.

1020384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020379) and next prime (1020389).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (62055).

2^1020384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489320).

1020384 is an abundant number, since it is smaller than the sum of its proper divisors (1958256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020384 is a wasteful number, since it uses less digits than its factorization.

1020384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1020384 is about 1010.1405842753. The cubic root of 1020384 is about 100.6749014993.

Adding to 1020384 its reverse (4830201), we get a palindrome (5850585).

The spelling of 1020384 in words is "one million, twenty thousand, three hundred eighty-four".