90363658 has 64 divisors (see below), whose sum is σ = 180403200. Its totient is φ = 32883840.

The previous prime is 90363649. The next prime is 90363659. The reversal of 90363658 is 85636309.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 90363658.

It is not an unprimeable number, because it can be changed into a prime (90363659) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 260241 + ... + 260587.

It is an arithmetic number, because the mean of its divisors is an integer number (2818800).

Almost surely, 2^90363658 is an apocalyptic number.

90363658 is a deficient number, since it is larger than the sum of its proper divisors (90039542).

90363658 is a wasteful number, since it uses less digits than its factorization.

90363658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 90363658 is about 9505.9801177995. The cubic root of 90363658 is about 448.7432556152.

The spelling of 90363658 in words is "ninety million, three hundred sixty-three thousand, six hundred fifty-eight".