385500852 has 36 divisors (see below), whose sum is σ = 1063048896. Its totient is φ = 116818320.

The previous prime is 385500851. The next prime is 385500877. The reversal of 385500852 is 258005583.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×385500852² = 297221813785451808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385500851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486348 + ... + 487139.

It is an arithmetic number, because the mean of its divisors is an integer number (29529136).

Almost surely, 2^385500852 is an apocalyptic number.

It is an amenable number.

385500852 is an abundant number, since it is smaller than the sum of its proper divisors (677548044).

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

385500852 is a wasteful number, since it uses less digits than its factorization.

385500852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973508 (or 973503 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 385500852 is about 19634.1756129459. The cubic root of 385500852 is about 727.7939606309.

The spelling of 385500852 in words is "three hundred eighty-five million, five hundred thousand, eight hundred fifty-two".