90988652 has 12 divisors (see below), whose sum is σ = 159705000. Its totient is φ = 45358656.

The previous prime is 90988649. The next prime is 90988669. The reversal of 90988652 is 25688909.

It is a junction number, because it is equal to n+sod(n) for n = 90988597 and 90988606.

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, 32402 + ... + 35097.

It is an arithmetic number, because the mean of its divisors is an integer number (13308750).

Almost surely, 2^90988652 is an apocalyptic number.

It is an amenable number.

90988652 is a deficient number, since it is larger than the sum of its proper divisors (68716348).

90988652 is a wasteful number, since it uses less digits than its factorization.

90988652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67840 (or 67838 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 90988652 is about 9538.7971988087. The cubic root of 90988652 is about 449.7754468127.

The spelling of 90988652 in words is "ninety million, nine hundred eighty-eight thousand, six hundred fifty-two".