90047408 has 20 divisors (see below), whose sum is σ = 190327848. Its totient is φ = 40930560.

The previous prime is 90047401. The next prime is 90047413. The reversal of 90047408 is 80474009.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90047401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255641 + ... + 255992.

Almost surely, 2^90047408 is an apocalyptic number.

It is an amenable number.

90047408 is an abundant number, since it is smaller than the sum of its proper divisors (100280440).

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

90047408 is a wasteful number, since it uses less digits than its factorization.

90047408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511652 (or 511646 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 90047408 is about 9489.3312725397. The cubic root of 90047408 is about 448.2191476717.

The spelling of 90047408 in words is "ninety million, forty-seven thousand, four hundred eight".