85398234 has 16 divisors (see below), whose sum is σ = 170892288. Its totient is φ = 28450112.

The previous prime is 85398221. The next prime is 85398239. The reversal of 85398234 is 43289358.

It is not an unprimeable number, because it can be changed into a prime (85398239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13474 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (10680768).

Almost surely, 2^85398234 is an apocalyptic number.

85398234 is an abundant number, since it is smaller than the sum of its proper divisors (85494054).

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

85398234 is a wasteful number, since it uses less digits than its factorization.

85398234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7989.

The product of its digits is 207360, while the sum is 42.

The square root of 85398234 is about 9241.1164909874. The cubic root of 85398234 is about 440.3685514018.

The spelling of 85398234 in words is "eighty-five million, three hundred ninety-eight thousand, two hundred thirty-four".