100090620 has 96 divisors (see below), whose sum is σ = 355891200. Its totient is φ = 22876992.

The previous prime is 100090597. The next prime is 100090637. The reversal of 100090620 is 26090001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100090593 and 100090602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9460 + ... + 17019.

It is an arithmetic number, because the mean of its divisors is an integer number (3707200).

Almost surely, 2^100090620 is an apocalyptic number.

100090620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100090620 is an abundant number, since it is smaller than the sum of its proper divisors (255800580).

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

100090620 is a wasteful number, since it uses less digits than its factorization.

100090620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26504 (or 26496 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 100090620 is about 10004.5299739668. The cubic root of 100090620 is about 464.2990479574.

The spelling of 100090620 in words is "one hundred million, ninety thousand, six hundred twenty".