993007917 has 60 divisors (see below), whose sum is σ = 1654617888. Its totient is φ = 592930800.

The previous prime is 993007913. The next prime is 993007949. The reversal of 993007917 is 719700399.

It is not a de Polignac number, because 993007917 - 2² = 993007913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993007913) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 695158 + ... + 696584.

Almost surely, 2^993007917 is an apocalyptic number.

It is an amenable number.

993007917 is a deficient number, since it is larger than the sum of its proper divisors (661609971).

993007917 is a wasteful number, since it uses less digits than its factorization.

993007917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 993007917 is about 31512.0281321276. The cubic root of 993007917 is about 997.6638523306.

The spelling of 993007917 in words is "nine hundred ninety-three million, seven thousand, nine hundred seventeen".