90984744 has 24 divisors (see below), whose sum is σ = 246417210. Its totient is φ = 30328224.

The previous prime is 90984713. The next prime is 90984763. The reversal of 90984744 is 44748909.

90984744 is a `hidden beast` number, since 90 + 98 + 474 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 90440100 + 544644 = 9510^2 + 738^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 90984744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631767 + ... + 631910.

Almost surely, 2^90984744 is an apocalyptic number.

It is an amenable number.

90984744 is an abundant number, since it is smaller than the sum of its proper divisors (155432466).

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

90984744 is a wasteful number, since it uses less digits than its factorization.

90984744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263689 (or 1263682 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 90984744 is about 9538.5923489790. The cubic root of 90984744 is about 449.7690073738.

The spelling of 90984744 in words is "ninety million, nine hundred eighty-four thousand, seven hundred forty-four".