913893 has 4 divisors (see below), whose sum is σ = 1218528. Its totient is φ = 609260.

The previous prime is 913889. The next prime is 913907. The reversal of 913893 is 398319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 913893 - 2² = 913889 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152313 + ... + 152318.

It is an arithmetic number, because the mean of its divisors is an integer number (304632).

2⁹¹³⁸⁹³ is an apocalyptic number.

It is an amenable number.

913893 is a deficient number, since it is larger than the sum of its proper divisors (304635).

913893 is a wasteful number, since it uses less digits than its factorization.

913893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304634.

The product of its digits is 5832, while the sum is 33.

The square root of 913893 is about 955.9775101957. The cubic root of 913893 is about 97.0432017855.

The spelling of 913893 in words is "nine hundred thirteen thousand, eight hundred ninety-three".