990880233 has 8 divisors (see below), whose sum is σ = 1509912768. Its totient is φ = 566217264.

The previous prime is 990880211. The next prime is 990880243. The reversal of 990880233 is 332088099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 990880233 - 2⁸ = 990879977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (990880243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23592366 + ... + 23592407.

It is an arithmetic number, because the mean of its divisors is an integer number (188739096).

Almost surely, 2^990880233 is an apocalyptic number.

It is an amenable number.

990880233 is a deficient number, since it is larger than the sum of its proper divisors (519032535).

990880233 is a wasteful number, since it uses less digits than its factorization.

990880233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47184783.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 990880233 is about 31478.2501578471. The cubic root of 990880233 is about 996.9507894318.

The spelling of 990880233 in words is "nine hundred ninety million, eight hundred eighty thousand, two hundred thirty-three".