853408086 has 32 divisors (see below), whose sum is σ = 1732439040. Its totient is φ = 280215936.

The previous prime is 853408051. The next prime is 853408099. The reversal of 853408086 is 680804358.

It is a super-2 number, since 2×853408086² = 1456610722500366792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228990 + ... + 232686.

It is an arithmetic number, because the mean of its divisors is an integer number (54138720).

Almost surely, 2^853408086 is an apocalyptic number.

853408086 is an abundant number, since it is smaller than the sum of its proper divisors (879030954).

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

853408086 is a wasteful number, since it uses less digits than its factorization.

853408086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 853408086 is about 29213.1491968942. The cubic root of 853408086 is about 948.5325769782.

The spelling of 853408086 in words is "eight hundred fifty-three million, four hundred eight thousand, eighty-six".