385525902 has 16 divisors (see below), whose sum is σ = 771247440. Its totient is φ = 128476032.

The previous prime is 385525901. The next prime is 385525927. The reversal of 385525902 is 209525583.

It is a super-2 number, since 2×385525902² = 297260442225827208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385525901) 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, 35224 + ... + 44852.

It is an arithmetic number, because the mean of its divisors is an integer number (48202965).

Almost surely, 2^385525902 is an apocalyptic number.

385525902 is an abundant number, since it is smaller than the sum of its proper divisors (385721538).

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

385525902 is a wasteful number, since it uses less digits than its factorization.

385525902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16307.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 385525902 is about 19634.8135208868. The cubic root of 385525902 is about 727.8097244040.

The spelling of 385525902 in words is "three hundred eighty-five million, five hundred twenty-five thousand, nine hundred two".