85690392 has 16 divisors (see below), whose sum is σ = 214226040. Its totient is φ = 28563456.

The previous prime is 85690391. The next prime is 85690403. The reversal of 85690392 is 29309658.

It is a super-3 number, since 3×85690392³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85690391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785193 + ... + 1785240.

Almost surely, 2^85690392 is an apocalyptic number.

It is an amenable number.

85690392 is an abundant number, since it is smaller than the sum of its proper divisors (128535648).

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

85690392 is a wasteful number, since it uses less digits than its factorization.

85690392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570442 (or 3570438 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 85690392 is about 9256.9104997294. The cubic root of 85690392 is about 440.8701650379.

The spelling of 85690392 in words is "eighty-five million, six hundred ninety thousand, three hundred ninety-two".