85397832 has 48 divisors (see below), whose sum is σ = 249079740. Its totient is φ = 26275968.

The previous prime is 85397821. The next prime is 85397849. The reversal of 85397832 is 23879358.

It can be written as a sum of positive squares in 2 ways, for example, as 66683556 + 18714276 = 8166^2 + 4326^2 .

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, 44683 + ... + 46554.

Almost surely, 2^85397832 is an apocalyptic number.

It is an amenable number.

85397832 is an abundant number, since it is smaller than the sum of its proper divisors (163681908).

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

85397832 is a wasteful number, since it uses less digits than its factorization.

85397832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91262 (or 91255 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 85397832 is about 9241.0947403433. The cubic root of 85397832 is about 440.3678604100.

The spelling of 85397832 in words is "eighty-five million, three hundred ninety-seven thousand, eight hundred thirty-two".