90026406 has 48 divisors (see below), whose sum is σ = 201146400. Its totient is φ = 29082240.

The previous prime is 90026401. The next prime is 90026459. The reversal of 90026406 is 60462009.

It is a self number, because there is not a number n which added to its sum of digits gives 90026406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90026401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146556 + ... + 147168.

It is an arithmetic number, because the mean of its divisors is an integer number (4190550).

Almost surely, 2^90026406 is an apocalyptic number.

90026406 is an abundant number, since it is smaller than the sum of its proper divisors (111119994).

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

90026406 is a wasteful number, since it uses less digits than its factorization.

90026406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 90026406 is about 9488.2245968358. The cubic root of 90026406 is about 448.1842985084.

The spelling of 90026406 in words is "ninety million, twenty-six thousand, four hundred six".