85490922 has 16 divisors (see below), whose sum is σ = 186525792. Its totient is φ = 25906320.

The previous prime is 85490897. The next prime is 85490929. The reversal of 85490922 is 22909458.

It is not an unprimeable number, because it can be changed into a prime (85490929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647593 + ... + 647724.

It is an arithmetic number, because the mean of its divisors is an integer number (11657862).

Almost surely, 2^85490922 is an apocalyptic number.

85490922 is an abundant number, since it is smaller than the sum of its proper divisors (101034870).

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

85490922 is a wasteful number, since it uses less digits than its factorization.

85490922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295333.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 85490922 is about 9246.1301094025. The cubic root of 85490922 is about 440.5278135639.

The spelling of 85490922 in words is "eighty-five million, four hundred ninety thousand, nine hundred twenty-two".