85399344 has 30 divisors (see below), whose sum is σ = 238999956. Its totient is φ = 28466400.

The previous prime is 85399343. The next prime is 85399387. The reversal of 85399344 is 44399358.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85399344.

It is not an unprimeable number, because it can be changed into a prime (85399343) 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, 296382 + ... + 296669.

Almost surely, 2^85399344 is an apocalyptic number.

It is an amenable number.

85399344 is an abundant number, since it is smaller than the sum of its proper divisors (153600612).

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

85399344 is a wasteful number, since it uses less digits than its factorization.

85399344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593065 (or 593056 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 85399344 is about 9241.1765484704. The cubic root of 85399344 is about 440.3704593529.

The spelling of 85399344 in words is "eighty-five million, three hundred ninety-nine thousand, three hundred forty-four".