90462918 has 48 divisors (see below), whose sum is σ = 226663920. Its totient is φ = 23857344.

The previous prime is 90462913. The next prime is 90462961. The reversal of 90462918 is 81926409.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90462913) 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 23 ways as a sum of consecutive naturals, for example, 8013 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (4722165).

Almost surely, 2^90462918 is an apocalyptic number.

90462918 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

90462918 is an abundant number, since it is smaller than the sum of its proper divisors (136201002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90462918 is a wasteful number, since it uses less digits than its factorization.

90462918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23701 (or 23694 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 90462918 is about 9511.1996088822. The cubic root of 90462918 is about 448.9075028997.

The spelling of 90462918 in words is "ninety million, four hundred sixty-two thousand, nine hundred eighteen".