90408118 has 12 divisors (see below), whose sum is σ = 143126460. Its totient is φ = 42824556.

The previous prime is 90408107. The next prime is 90408127. The reversal of 90408118 is 81180409.

It is a super-3 number, since 3×90408118³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90408118.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 61888 + ... + 63331.

It is an arithmetic number, because the mean of its divisors is an integer number (11927205).

Almost surely, 2^90408118 is an apocalyptic number.

90408118 is a deficient number, since it is larger than the sum of its proper divisors (52718342).

90408118 is a wasteful number, since it uses less digits than its factorization.

90408118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125259 (or 125240 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 90408118 is about 9508.3183581536. The cubic root of 90408118 is about 448.8168392306.

The spelling of 90408118 in words is "ninety million, four hundred eight thousand, one hundred eighteen".