90692928 has 84 divisors (see below), whose sum is σ = 273669760. Its totient is φ = 28636416.

The previous prime is 90692897. The next prime is 90692929. The reversal of 90692928 is 82929609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90692929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6801 + ... + 15087.

Almost surely, 2^90692928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90692928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136834880).

90692928 is an abundant number, since it is smaller than the sum of its proper divisors (182976832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90692928 is a wasteful number, since it uses less digits than its factorization.

90692928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8324 (or 8311 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 90692928 is about 9523.2834673762. The cubic root of 90692928 is about 449.2876432941.

The spelling of 90692928 in words is "ninety million, six hundred ninety-two thousand, nine hundred twenty-eight".