913973 has 4 divisors (see below), whose sum is σ = 943488. Its totient is φ = 884460.

The previous prime is 913943. The next prime is 913981. The reversal of 913973 is 379319.

It is a happy number.

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 913973 - 2¹² = 909877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 913973.

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 3 ways as a sum of consecutive naturals, for example, 14711 + ... + 14772.

It is an arithmetic number, because the mean of its divisors is an integer number (235872).

2⁹¹³⁹⁷³ is an apocalyptic number.

It is an amenable number.

913973 is a deficient number, since it is larger than the sum of its proper divisors (29515).

913973 is a wasteful number, since it uses less digits than its factorization.

913973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29514.

The product of its digits is 5103, while the sum is 32.

The square root of 913973 is about 956.0193512686. The cubic root of 913973 is about 97.0460333459.

The spelling of 913973 in words is "nine hundred thirteen thousand, nine hundred seventy-three".