90945484 has 12 divisors (see below), whose sum is σ = 181891024. Its totient is φ = 38976624.

The previous prime is 90945469. The next prime is 90945487. The reversal of 90945484 is 48454909.

90945484 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 90945484.

It is not an unprimeable number, because it can be changed into a prime (90945487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623999 + ... + 1624054.

Almost surely, 2^90945484 is an apocalyptic number.

It is an amenable number.

90945484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90945484 is a wasteful number, since it uses less digits than its factorization.

90945484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248064 (or 3248062 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 90945484 is about 9536.5341712805. The cubic root of 90945484 is about 449.7043061544.

The spelling of 90945484 in words is "ninety million, nine hundred forty-five thousand, four hundred eighty-four".