913913 has 24 divisors (see below), whose sum is σ = 1251264. Its totient is φ = 649440.

The previous prime is 913907. The next prime is 913921. The reversal of 913913 is 319319.

It is not a de Polignac number, because 913913 - 2¹⁸ = 651769 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (913933) 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, 10970 + ... + 11052.

It is an arithmetic number, because the mean of its divisors is an integer number (52136).

2⁹¹³⁹¹³ is an apocalyptic number.

It is an amenable number.

913913 is a deficient number, since it is larger than the sum of its proper divisors (337351).

913913 is a wasteful number, since it uses less digits than its factorization.

913913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 114 counting only the distinct ones).

The product of its digits is 729, while the sum is 26.

The square root of 913913 is about 955.9879706356. The cubic root of 913913 is about 97.0439096911.

It can be divided in two parts, 91 and 3913, that added together give a palindrome (4004).

The spelling of 913913 in words is "nine hundred thirteen thousand, nine hundred thirteen".