994397238 has 24 divisors (see below), whose sum is σ = 2170259208. Its totient is φ = 329045472.

The previous prime is 994397221. The next prime is 994397251. The reversal of 994397238 is 832793499.

994397238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199156 + ... + 204087.

It is an arithmetic number, because the mean of its divisors is an integer number (90427467).

Almost surely, 2^994397238 is an apocalyptic number.

994397238 is an abundant number, since it is smaller than the sum of its proper divisors (1175861970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

994397238 is a wasteful number, since it uses less digits than its factorization.

994397238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403388 (or 403385 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 994397238 is about 31534.0647237238. The cubic root of 994397238 is about 998.1289138870.

The spelling of 994397238 in words is "nine hundred ninety-four million, three hundred ninety-seven thousand, two hundred thirty-eight".