990879514 has 8 divisors (see below), whose sum is σ = 1550941920. Its totient is φ = 473898876.

The previous prime is 990879509. The next prime is 990879517. The reversal of 990879514 is 415978099.

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

It is a super-2 number, since 2×990879514² = 1963684422529752392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (990879517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10770384 + ... + 10770475.

It is an arithmetic number, because the mean of its divisors is an integer number (193867740).

Almost surely, 2^990879514 is an apocalyptic number.

990879514 is a deficient number, since it is larger than the sum of its proper divisors (560062406).

990879514 is a wasteful number, since it uses less digits than its factorization.

990879514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21540884.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 990879514 is about 31478.2387372610. The cubic root of 990879514 is about 996.9505482968.

The spelling of 990879514 in words is "nine hundred ninety million, eight hundred seventy-nine thousand, five hundred fourteen".