1040384 has 28 divisors (see below), whose sum is σ = 2097024. Its totient is φ = 516096.

The previous prime is 1040381. The next prime is 1040387. The reversal of 1040384 is 4830401.

It is an interprime number because it is at equal distance from previous prime (1040381) and next prime (1040387).

1040384 is an admirable number.

It is a nialpdrome in base 2, base 4 and base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8129 + ... + 8255.

2^1040384 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 1040384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048512).

1040384 is an abundant number, since it is smaller than the sum of its proper divisors (1056640).

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

1040384 is an frugal number, since it uses more digits than its factorization.

1040384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1040384 is about 1019.9921568326. The cubic root of 1040384 is about 101.3284085018.

Adding to 1040384 its reverse (4830401), we get a palindrome (5870785).

The spelling of 1040384 in words is "one million, forty thousand, three hundred eighty-four".