999948290 has 32 divisors (see below), whose sum is σ = 1966351680. Its totient is φ = 363096000.

The previous prime is 999948289. The next prime is 999948317. The reversal of 999948290 is 92849999.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75140 + ... + 87440.

It is an arithmetic number, because the mean of its divisors is an integer number (61448490).

Almost surely, 2^999948290 is an apocalyptic number.

999948290 is a deficient number, since it is larger than the sum of its proper divisors (966403390).

999948290 is a wasteful number, since it uses less digits than its factorization.

999948290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13058.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The square root of 999948290 is about 31621.9589842249. The cubic root of 999948290 is about 999.9827630362.

The spelling of 999948290 in words is "nine hundred ninety-nine million, nine hundred forty-eight thousand, two hundred ninety".