852637438 has 16 divisors (see below), whose sum is σ = 1318965120. Its totient is φ = 413186200.

The previous prime is 852637433. The next prime is 852637453. The reversal of 852637438 is 834736258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852637433) 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, 42508 + ... + 59263.

It is an arithmetic number, because the mean of its divisors is an integer number (82435320).

Almost surely, 2^852637438 is an apocalyptic number.

852637438 is a deficient number, since it is larger than the sum of its proper divisors (466327682).

852637438 is a wasteful number, since it uses less digits than its factorization.

852637438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101903.

The product of its digits is 967680, while the sum is 46.

The square root of 852637438 is about 29199.9561301040. The cubic root of 852637438 is about 948.2469750924.

The spelling of 852637438 in words is "eight hundred fifty-two million, six hundred thirty-seven thousand, four hundred thirty-eight".