98890920 has 48 divisors (see below), whose sum is σ = 321396660. Its totient is φ = 26370816.

The previous prime is 98890901. The next prime is 98890937. The reversal of 98890920 is 2909889.

It can be written as a sum of positive squares in 2 ways, for example, as 90212004 + 8678916 = 9498^2 + 2946^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

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, 136989 + ... + 137708.

Almost surely, 2^98890920 is an apocalyptic number.

98890920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

98890920 is an abundant number, since it is smaller than the sum of its proper divisors (222505740).

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

98890920 is a wasteful number, since it uses less digits than its factorization.

98890920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274714 (or 274707 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 98890920 is about 9944.3913840918. The cubic root of 98890920 is about 462.4365357282.

The spelling of 98890920 in words is "ninety-eight million, eight hundred ninety thousand, nine hundred twenty".