90863192 has 16 divisors (see below), whose sum is σ = 194706960. Its totient is φ = 38941344.

The previous prime is 90863191. The next prime is 90863207. The reversal of 90863192 is 29136809.

It is a super-2 number, since 2×90863192² = 16512239320857728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90863191) 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, 811223 + ... + 811334.

It is an arithmetic number, because the mean of its divisors is an integer number (12169185).

Almost surely, 2^90863192 is an apocalyptic number.

It is an amenable number.

90863192 is an abundant number, since it is smaller than the sum of its proper divisors (103843768).

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

90863192 is a wasteful number, since it uses less digits than its factorization.

90863192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622570 (or 1622566 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 90863192 is about 9532.2186294692. The cubic root of 90863192 is about 449.5686269442.

The spelling of 90863192 in words is "ninety million, eight hundred sixty-three thousand, one hundred ninety-two".