994042990 has 8 divisors (see below), whose sum is σ = 1789277400. Its totient is φ = 397617192.

The previous prime is 994042967. The next prime is 994043041. The reversal of 994042990 is 99240499.

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

It is a self number, because there is not a number n which added to its sum of digits gives 994042990.

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, 49702140 + ... + 49702159.

It is an arithmetic number, because the mean of its divisors is an integer number (223659675).

Almost surely, 2^994042990 is an apocalyptic number.

994042990 is a deficient number, since it is larger than the sum of its proper divisors (795234410).

994042990 is a wasteful number, since it uses less digits than its factorization.

994042990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99404306.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 994042990 is about 31528.4473134977. The cubic root of 994042990 is about 998.0103740138.

The spelling of 994042990 in words is "nine hundred ninety-four million, forty-two thousand, nine hundred ninety".