90100635 has 16 divisors (see below), whose sum is σ = 144456480. Its totient is φ = 47955200.

The previous prime is 90100631. The next prime is 90100639. The reversal of 90100635 is 53600109.

It is an interprime number because it is at equal distance from previous prime (90100631) and next prime (90100639).

It is not a de Polignac number, because 90100635 - 2² = 90100631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90100631) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1735 + ... + 13535.

It is an arithmetic number, because the mean of its divisors is an integer number (9028530).

Almost surely, 2^90100635 is an apocalyptic number.

90100635 is a deficient number, since it is larger than the sum of its proper divisors (54355845).

90100635 is a wasteful number, since it uses less digits than its factorization.

90100635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12318.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 90100635 is about 9492.1354288695. The cubic root of 90100635 is about 448.3074443514.

The spelling of 90100635 in words is "ninety million, one hundred thousand, six hundred thirty-five".