90429688 has 16 divisors (see below), whose sum is σ = 173499480. Its totient is φ = 44163168.

The previous prime is 90429679. The next prime is 90429733. The reversal of 90429688 is 88692409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131095 + ... + 131782.

Almost surely, 2^90429688 is an apocalyptic number.

It is an amenable number.

90429688 is a deficient number, since it is larger than the sum of its proper divisors (83069792).

90429688 is a wasteful number, since it uses less digits than its factorization.

90429688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262926 (or 262922 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 90429688 is about 9509.4525604790. The cubic root of 90429688 is about 448.8525300130.

The spelling of 90429688 in words is "ninety million, four hundred twenty-nine thousand, six hundred eighty-eight".