85690395 has 48 divisors (see below), whose sum is σ = 170726400. Its totient is φ = 38947392.

The previous prime is 85690391. The next prime is 85690403. The reversal of 85690395 is 59309658.

It is not a de Polignac number, because 85690395 - 2² = 85690391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85690395.

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 47 ways as a sum of consecutive naturals, for example, 62002 + ... + 63368.

It is an arithmetic number, because the mean of its divisors is an integer number (3556800).

Almost surely, 2^85690395 is an apocalyptic number.

85690395 is a deficient number, since it is larger than the sum of its proper divisors (85036005).

85690395 is a wasteful number, since it uses less digits than its factorization.

85690395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 85690395 is about 9256.9106617705. The cubic root of 85690395 is about 440.8701701828.

The spelling of 85690395 in words is "eighty-five million, six hundred ninety thousand, three hundred ninety-five".