1385024 has 56 divisors (see below), whose sum is σ = 3108960. Its totient is φ = 608256.

The previous prime is 1385023. The next prime is 1385039. The reversal of 1385024 is 4205831.

It is a nialpdrome in base 8 and base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385023) 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, 20639 + ... + 20705.

2^1385024 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 1385024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554480).

1385024 is an abundant number, since it is smaller than the sum of its proper divisors (1723936).

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

1385024 is a wasteful number, since it uses less digits than its factorization.

1385024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1385024 is about 1176.8704261727. The cubic root of 1385024 is about 111.4685708437.

The spelling of 1385024 in words is "one million, three hundred eighty-five thousand, twenty-four".