90826988 has 36 divisors (see below), whose sum is σ = 195781320. Its totient is φ = 36634752.

The previous prime is 90826979. The next prime is 90826991. The reversal of 90826988 is 88962809.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10298 + ... + 16961.

It is an arithmetic number, because the mean of its divisors is an integer number (5438370).

Almost surely, 2^90826988 is an apocalyptic number.

90826988 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

90826988 is an abundant number, since it is smaller than the sum of its proper divisors (104954332).

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

90826988 is a wasteful number, since it uses less digits than its factorization.

90826988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27294 (or 27285 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 90826988 is about 9530.3194070293. The cubic root of 90826988 is about 449.5089095294.

The spelling of 90826988 in words is "ninety million, eight hundred twenty-six thousand, nine hundred eighty-eight".