385731024 has 80 divisors (see below), whose sum is σ = 1145974272. Its totient is φ = 109517184.

The previous prime is 385731023. The next prime is 385731029. The reversal of 385731024 is 420137583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385731023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51247 + ... + 58289.

Almost surely, 2^385731024 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 385731024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572987136).

385731024 is an abundant number, since it is smaller than the sum of its proper divisors (760243248).

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

385731024 is a wasteful number, since it uses less digits than its factorization.

385731024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224 (or 7218 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 385731024 is about 19640.0362525124. The cubic root of 385731024 is about 727.9387804254.

The spelling of 385731024 in words is "three hundred eighty-five million, seven hundred thirty-one thousand, twenty-four".