320842994 has 8 divisors (see below), whose sum is σ = 496789248. Its totient is φ = 155246580.

The previous prime is 320842961. The next prime is 320843011. The reversal of 320842994 is 499248023.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587382 + ... + 2587505.

It is an arithmetic number, because the mean of its divisors is an integer number (62098656).

Almost surely, 2^320842994 is an apocalyptic number.

320842994 is a deficient number, since it is larger than the sum of its proper divisors (175946254).

320842994 is a wasteful number, since it uses less digits than its factorization.

320842994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174920.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 320842994 is about 17912.0907210744. The cubic root of 320842994 is about 684.5904767977.

The spelling of 320842994 in words is "three hundred twenty million, eight hundred forty-two thousand, nine hundred ninety-four".