90517384 has 16 divisors (see below), whose sum is σ = 179703900. Its totient is φ = 42596352.

The previous prime is 90517373. The next prime is 90517411. The reversal of 90517384 is 48371509.

It can be written as a sum of positive squares in 2 ways, for example, as 90440100 + 77284 = 9510^2 + 278^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 332649 + ... + 332920.

Almost surely, 2^90517384 is an apocalyptic number.

It is an amenable number.

90517384 is a deficient number, since it is larger than the sum of its proper divisors (89186516).

90517384 is a wasteful number, since it uses less digits than its factorization.

90517384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665592 (or 665588 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 90517384 is about 9514.0624341025. The cubic root of 90517384 is about 448.9975777106.

The spelling of 90517384 in words is "ninety million, five hundred seventeen thousand, three hundred eighty-four".