90436516 has 6 divisors (see below), whose sum is σ = 158263910. Its totient is φ = 45218256.

The previous prime is 90436459. The next prime is 90436543. The reversal of 90436516 is 61563409.

It can be written as a sum of positive squares in only one way, i.e., 53348416 + 37088100 = 7304^2 + 6090^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11304561 + ... + 11304568.

Almost surely, 2^90436516 is an apocalyptic number.

It is an amenable number.

90436516 is a deficient number, since it is larger than the sum of its proper divisors (67827394).

90436516 is a wasteful number, since it uses less digits than its factorization.

90436516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22609133 (or 22609131 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 90436516 is about 9509.8115649050. The cubic root of 90436516 is about 448.8638267748.

The spelling of 90436516 in words is "ninety million, four hundred thirty-six thousand, five hundred sixteen".