113997993 has 8 divisors (see below), whose sum is σ = 153502656. Its totient is φ = 75246000.

The previous prime is 113997991. The next prime is 113997997. The reversal of 113997993 is 399799311.

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

It is not a de Polignac number, because 113997993 - 2¹ = 113997991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113997991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187813 + ... + 188418.

It is an arithmetic number, because the mean of its divisors is an integer number (19187832).

Almost surely, 2^113997993 is an apocalyptic number.

It is an amenable number.

113997993 is a deficient number, since it is larger than the sum of its proper divisors (39504663).

113997993 is a wasteful number, since it uses less digits than its factorization.

113997993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376335.

The product of its digits is 413343, while the sum is 51.

The square root of 113997993 is about 10676.9842652315. The cubic root of 113997993 is about 484.8779130828.

The spelling of 113997993 in words is "one hundred thirteen million, nine hundred ninety-seven thousand, nine hundred ninety-three".