90863900 has 36 divisors (see below), whose sum is σ = 197872752. Its totient is φ = 36216960.

The previous prime is 90863893. The next prime is 90863911. The reversal of 90863900 is 936809.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29849 + ... + 32751.

Almost surely, 2^90863900 is an apocalyptic number.

It is an amenable number.

90863900 is an abundant number, since it is smaller than the sum of its proper divisors (107008852).

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

90863900 is a wasteful number, since it uses less digits than its factorization.

90863900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230 (or 3223 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 90863900 is about 9532.2557666063. The cubic root of 90863900 is about 449.5697946109.

The spelling of 90863900 in words is "ninety million, eight hundred sixty-three thousand, nine hundred".