90474424 has 8 divisors (see below), whose sum is σ = 169639560. Its totient is φ = 45237208.

The previous prime is 90474383. The next prime is 90474427. The reversal of 90474424 is 42447409.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 90474424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90474427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5654644 + ... + 5654659.

It is an arithmetic number, because the mean of its divisors is an integer number (21204945).

Almost surely, 2^90474424 is an apocalyptic number.

It is an amenable number.

90474424 is a deficient number, since it is larger than the sum of its proper divisors (79165136).

90474424 is a wasteful number, since it uses less digits than its factorization.

90474424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11309309 (or 11309305 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 90474424 is about 9511.8044555174. The cubic root of 90474424 is about 448.9265343101.

The spelling of 90474424 in words is "ninety million, four hundred seventy-four thousand, four hundred twenty-four".