90662288 has 10 divisors (see below), whose sum is σ = 175658214. Its totient is φ = 45331136.

The previous prime is 90662261. The next prime is 90662303. The reversal of 90662288 is 88226609.

It can be written as a sum of positive squares in only one way, i.e., 73753744 + 16908544 = 8588^2 + 4112^2 .

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 as a sum of consecutive naturals, namely, 2833181 + ... + 2833212.

Almost surely, 2^90662288 is an apocalyptic number.

It is an amenable number.

90662288 is a deficient number, since it is larger than the sum of its proper divisors (84995926).

90662288 is a wasteful number, since it uses less digits than its factorization.

90662288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666401 (or 5666395 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 90662288 is about 9521.6746426246. The cubic root of 90662288 is about 449.2370413187.

The spelling of 90662288 in words is "ninety million, six hundred sixty-two thousand, two hundred eighty-eight".