90108426 has 32 divisors (see below), whose sum is σ = 183496320. Its totient is φ = 29493504.

The previous prime is 90108373. The next prime is 90108433. The reversal of 90108426 is 62480109.

It is a junction number, because it is equal to n+sod(n) for n = 90108393 and 90108402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178891 + ... + 179393.

It is an arithmetic number, because the mean of its divisors is an integer number (5734260).

Almost surely, 2^90108426 is an apocalyptic number.

90108426 is an abundant number, since it is smaller than the sum of its proper divisors (93387894).

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

90108426 is a wasteful number, since it uses less digits than its factorization.

90108426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 90108426 is about 9492.5458123730. The cubic root of 90108426 is about 448.3203656907.

The spelling of 90108426 in words is "ninety million, one hundred eight thousand, four hundred twenty-six".