990086097 has 64 divisors (see below), whose sum is σ = 1778724864. Its totient is φ = 473091840.

The previous prime is 990086063. The next prime is 990086173. The reversal of 990086097 is 790680099.

It is a happy number.

It is not a de Polignac number, because 990086097 - 2¹⁰ = 990085073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (990086017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1462123 + ... + 1462799.

It is an arithmetic number, because the mean of its divisors is an integer number (27792576).

Almost surely, 2^990086097 is an apocalyptic number.

It is an amenable number.

990086097 is a deficient number, since it is larger than the sum of its proper divisors (788638767).

990086097 is a wasteful number, since it uses less digits than its factorization.

990086097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 990086097 is about 31465.6335865020. The cubic root of 990086097 is about 996.6843845105.

The spelling of 990086097 in words is "nine hundred ninety million, eighty-six thousand, ninety-seven".