90106984 has 16 divisors (see below), whose sum is σ = 184309920. Its totient is φ = 40957680.

The previous prime is 90106967. The next prime is 90106993. The reversal of 90106984 is 48960109.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511884 + ... + 512059.

It is an arithmetic number, because the mean of its divisors is an integer number (11519370).

Almost surely, 2^90106984 is an apocalyptic number.

It is an amenable number.

90106984 is an abundant number, since it is smaller than the sum of its proper divisors (94202936).

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

90106984 is a wasteful number, since it uses less digits than its factorization.

90106984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023960 (or 1023956 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 90106984 is about 9492.4698577346. The cubic root of 90106984 is about 448.3179741962.

It can be divided in two parts, 901069 and 84, that added together give a triangular number (901153 = T₁₃₄₂).

The spelling of 90106984 in words is "ninety million, one hundred six thousand, nine hundred eighty-four".