928288990 has 16 divisors (see below), whose sum is σ = 1672245648. Its totient is φ = 371021056.

The previous prime is 928288987. The next prime is 928288997. The reversal of 928288990 is 99882829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928288997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23347 + ... + 49006.

It is an arithmetic number, because the mean of its divisors is an integer number (104515353).

Almost surely, 2^928288990 is an apocalyptic number.

928288990 is a deficient number, since it is larger than the sum of its proper divisors (743956658).

928288990 is a wasteful number, since it uses less digits than its factorization.

928288990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73643.

The product of its (nonzero) digits is 1492992, while the sum is 55.

The square root of 928288990 is about 30467.8353349889. The cubic root of 928288990 is about 975.5010319886.

The spelling of 928288990 in words is "nine hundred twenty-eight million, two hundred eighty-eight thousand, nine hundred ninety".