90468688 has 10 divisors (see below), whose sum is σ = 175283114. Its totient is φ = 45234336.

The previous prime is 90468659. The next prime is 90468691. The reversal of 90468688 is 88686409.

It can be written as a sum of positive squares in only one way, i.e., 80784144 + 9684544 = 8988^2 + 3112^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827131 + ... + 2827162.

Almost surely, 2^90468688 is an apocalyptic number.

It is an amenable number.

90468688 is a deficient number, since it is larger than the sum of its proper divisors (84814426).

90468688 is a wasteful number, since it uses less digits than its factorization.

90468688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654301 (or 5654295 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 90468688 is about 9511.5029306624. The cubic root of 90468688 is about 448.9170469253.

The spelling of 90468688 in words is "ninety million, four hundred sixty-eight thousand, six hundred eighty-eight".