85399404 has 24 divisors (see below), whose sum is σ = 204651888. Its totient is φ = 27696960.

The previous prime is 85399399. The next prime is 85399421. The reversal of 85399404 is 40499358.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95727 + ... + 96614.

It is an arithmetic number, because the mean of its divisors is an integer number (8527162).

Almost surely, 2^85399404 is an apocalyptic number.

It is an amenable number.

85399404 is an abundant number, since it is smaller than the sum of its proper divisors (119252484).

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

85399404 is a wasteful number, since it uses less digits than its factorization.

85399404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192385 (or 192383 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 85399404 is about 9241.1797948098. The cubic root of 85399404 is about 440.3705624850.

The spelling of 85399404 in words is "eighty-five million, three hundred ninety-nine thousand, four hundred four".