939913893 has 24 divisors (see below), whose sum is σ = 1403440896. Its totient is φ = 605534400.

The previous prime is 939913879. The next prime is 939913921. The reversal of 939913893 is 398319939.

It is not a de Polignac number, because 939913893 - 2⁵ = 939913861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939913813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237138 + ... + 241068.

It is an arithmetic number, because the mean of its divisors is an integer number (58476704).

Almost surely, 2^939913893 is an apocalyptic number.

939913893 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

939913893 is a deficient number, since it is larger than the sum of its proper divisors (463527003).

939913893 is a wasteful number, since it uses less digits than its factorization.

939913893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825 (or 4822 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 939913893 is about 30658.0151510172. The cubic root of 939913893 is about 979.5561967309.

The spelling of 939913893 in words is "nine hundred thirty-nine million, nine hundred thirteen thousand, eight hundred ninety-three".