993056901 has 16 divisors (see below), whose sum is σ = 1382552064. Its totient is φ = 632837744.

The previous prime is 993056893. The next prime is 993056917. The reversal of 993056901 is 109650399.

It is a cyclic number.

It is not a de Polignac number, because 993056901 - 2³ = 993056893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993056971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127810 + ... + 135356.

It is an arithmetic number, because the mean of its divisors is an integer number (86409504).

Almost surely, 2^993056901 is an apocalyptic number.

It is an amenable number.

993056901 is a deficient number, since it is larger than the sum of its proper divisors (389495163).

993056901 is a wasteful number, since it uses less digits than its factorization.

993056901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9480.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 993056901 is about 31512.8053495718. The cubic root of 993056901 is about 997.6802566183.

The spelling of 993056901 in words is "nine hundred ninety-three million, fifty-six thousand, nine hundred one".