100490858 has 16 divisors (see below), whose sum is σ = 167930280. Its totient is φ = 44780736.

The previous prime is 100490827. The next prime is 100490881. The reversal of 100490858 is 858094001.

It can be written as a sum of positive squares in 4 ways, for example, as 66699889 + 33790969 = 8167^2 + 5813^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65885 + ... + 67392.

Almost surely, 2^100490858 is an apocalyptic number.

100490858 is a deficient number, since it is larger than the sum of its proper divisors (67439422).

100490858 is a wasteful number, since it uses less digits than its factorization.

100490858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133321.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 100490858 is about 10024.5128559945. The cubic root of 100490858 is about 464.9170977964.

The spelling of 100490858 in words is "one hundred million, four hundred ninety thousand, eight hundred fifty-eight".