994997375 has 32 divisors (see below), whose sum is σ = 1261578240. Its totient is φ = 783417600.

The previous prime is 994997347. The next prime is 994997429. The reversal of 994997375 is 573799499.

It is not a de Polignac number, because 994997375 - 2²² = 990803071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3698741 + ... + 3699009.

It is an arithmetic number, because the mean of its divisors is an integer number (39424320).

Almost surely, 2^994997375 is an apocalyptic number.

994997375 is a deficient number, since it is larger than the sum of its proper divisors (266580865).

994997375 is a wasteful number, since it uses less digits than its factorization.

994997375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 634 counting only the distinct ones).

The product of its digits is 19289340, while the sum is 62.

The square root of 994997375 is about 31543.5789821003. The cubic root of 994997375 is about 998.3296698840.

The spelling of 994997375 in words is "nine hundred ninety-four million, nine hundred ninety-seven thousand, three hundred seventy-five".