990108862 has 8 divisors (see below), whose sum is σ = 1516762656. Its totient is φ = 484521312.

The previous prime is 990108859. The next prime is 990108881. The reversal of 990108862 is 268801099.

It is a happy number.

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

It is a super-2 number, since 2×990108862² = 1960631117221870088, which contains 22 as substring.

It is a congruent number.

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, 5266443 + ... + 5266630.

It is an arithmetic number, because the mean of its divisors is an integer number (189595332).

Almost surely, 2^990108862 is an apocalyptic number.

990108862 is a deficient number, since it is larger than the sum of its proper divisors (526653794).

990108862 is a wasteful number, since it uses less digits than its factorization.

990108862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533122.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 990108862 is about 31465.9953282905. The cubic root of 990108862 is about 996.6920233566.

The spelling of 990108862 in words is "nine hundred ninety million, one hundred eight thousand, eight hundred sixty-two".