113890993 has 8 divisors (see below), whose sum is σ = 117718016. Its totient is φ = 110188260.

The previous prime is 113890969. The next prime is 113891003. The reversal of 113890993 is 399098311.

It is not a de Polignac number, because 113890993 - 2¹³ = 113882801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113890913) 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, 27880 + ... + 31702.

It is an arithmetic number, because the mean of its divisors is an integer number (14714752).

Almost surely, 2^113890993 is an apocalyptic number.

It is an amenable number.

113890993 is a deficient number, since it is larger than the sum of its proper divisors (3827023).

113890993 is an frugal number, since it uses more digits than its factorization.

113890993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916 (or 3854 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 113890993 is about 10671.9723106837. The cubic root of 113890993 is about 484.7261613541.

The spelling of 113890993 in words is "one hundred thirteen million, eight hundred ninety thousand, nine hundred ninety-three".