85508234 has 12 divisors (see below), whose sum is σ = 149203314. Its totient is φ = 36646344.

The previous prime is 85508207. The next prime is 85508237. The reversal of 85508234 is 43280558.

It can be written as a sum of positive squares in only one way, i.e., 85507009 + 1225 = 9247^2 + 35^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85508194 and 85508203.

It is not an unprimeable number, because it can be changed into a prime (85508237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 436169 + ... + 436364.

Almost surely, 2^85508234 is an apocalyptic number.

85508234 is a deficient number, since it is larger than the sum of its proper divisors (63695080).

85508234 is a wasteful number, since it uses less digits than its factorization.

85508234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872549 (or 872542 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 85508234 is about 9247.0662374615. The cubic root of 85508234 is about 440.5575473360.

The spelling of 85508234 in words is "eighty-five million, five hundred eight thousand, two hundred thirty-four".