100490655 has 64 divisors (see below), whose sum is σ = 179159040. Its totient is φ = 47867904.

The previous prime is 100490647. The next prime is 100490659. The reversal of 100490655 is 556094001.

It is not a de Polignac number, because 100490655 - 2³ = 100490647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100490659) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 791202 + ... + 791328.

It is an arithmetic number, because the mean of its divisors is an integer number (2799360).

Almost surely, 2^100490655 is an apocalyptic number.

100490655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100490655 is a deficient number, since it is larger than the sum of its proper divisors (78668385).

100490655 is a wasteful number, since it uses less digits than its factorization.

100490655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 100490655 is about 10024.5027308091. The cubic root of 100490655 is about 464.9167847389.

The spelling of 100490655 in words is "one hundred million, four hundred ninety thousand, six hundred fifty-five".