994304642 has 8 divisors (see below), whose sum is σ = 1509426576. Its totient is φ = 491162452.

The previous prime is 994304627. The next prime is 994304671. The reversal of 994304642 is 246403499.

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

It is a super-2 number, since 2×994304642² = 1977283442205496328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 994304642.

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, 2994728 + ... + 2995059.

It is an arithmetic number, because the mean of its divisors is an integer number (188678322).

Almost surely, 2^994304642 is an apocalyptic number.

994304642 is a deficient number, since it is larger than the sum of its proper divisors (515121934).

994304642 is a wasteful number, since it uses less digits than its factorization.

994304642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989872.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 994304642 is about 31532.5964994956. The cubic root of 994304642 is about 998.0979317636.

The spelling of 994304642 in words is "nine hundred ninety-four million, three hundred four thousand, six hundred forty-two".