852815404 has 36 divisors (see below), whose sum is σ = 1838218536. Its totient is φ = 343991424.

The previous prime is 852815389. The next prime is 852815429. The reversal of 852815404 is 404518258.

It is a super-2 number, since 2×852815404² = 1454588226599366432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124642 + ... + 131305.

It is an arithmetic number, because the mean of its divisors is an integer number (51061626).

Almost surely, 2^852815404 is an apocalyptic number.

It is an amenable number.

852815404 is an abundant number, since it is smaller than the sum of its proper divisors (985403132).

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

852815404 is a wasteful number, since it uses less digits than its factorization.

852815404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255982 (or 255973 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 852815404 is about 29203.0033386979. The cubic root of 852815404 is about 948.3129445084.

It can be divided in two parts, 8528 and 15404, that added together give a palindrome (23932).

The spelling of 852815404 in words is "eight hundred fifty-two million, eight hundred fifteen thousand, four hundred four".