90087634 has 16 divisors (see below), whose sum is σ = 166315968. Its totient is φ = 35638992.

The previous prime is 90087593. The next prime is 90087653. The reversal of 90087634 is 43678009.

It is a junction number, because it is equal to n+sod(n) for n = 90087593 and 90087602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247312 + ... + 247675.

It is an arithmetic number, because the mean of its divisors is an integer number (10394748).

Almost surely, 2^90087634 is an apocalyptic number.

90087634 is a deficient number, since it is larger than the sum of its proper divisors (76228334).

90087634 is a wasteful number, since it uses less digits than its factorization.

90087634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495009.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 90087634 is about 9491.4505740693. The cubic root of 90087634 is about 448.2858805913.

The spelling of 90087634 in words is "ninety million, eighty-seven thousand, six hundred thirty-four".