913387 has 4 divisors (see below), whose sum is σ = 961480. Its totient is φ = 865296.

The previous prime is 913373. The next prime is 913397. The reversal of 913387 is 783319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783319 = 29 ⋅27011.

It is a cyclic number.

It is not a de Polignac number, because 913387 - 2⁷ = 913259 is a prime.

It is a Duffinian number.

913387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (913327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24018 + ... + 24055.

It is an arithmetic number, because the mean of its divisors is an integer number (240370).

2⁹¹³³⁸⁷ is an apocalyptic number.

913387 is a deficient number, since it is larger than the sum of its proper divisors (48093).

913387 is a wasteful number, since it uses less digits than its factorization.

913387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48092.

The product of its digits is 4536, while the sum is 31.

The square root of 913387 is about 955.7128229756. The cubic root of 913387 is about 97.0252883370.

The spelling of 913387 in words is "nine hundred thirteen thousand, three hundred eighty-seven".