90388162 has 16 divisors (see below), whose sum is σ = 139114080. Its totient is φ = 44032032.

The previous prime is 90388139. The next prime is 90388163. The reversal of 90388162 is 26188309.

It is not an unprimeable number, because it can be changed into a prime (90388163) 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 7 ways as a sum of consecutive naturals, for example, 8389 + ... + 15847.

It is an arithmetic number, because the mean of its divisors is an integer number (8694630).

Almost surely, 2^90388162 is an apocalyptic number.

90388162 is a deficient number, since it is larger than the sum of its proper divisors (48725918).

90388162 is a wasteful number, since it uses less digits than its factorization.

90388162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7617.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 90388162 is about 9507.2689033181. The cubic root of 90388162 is about 448.7838139959.

The spelling of 90388162 in words is "ninety million, three hundred eighty-eight thousand, one hundred sixty-two".