913947 has 8 divisors (see below), whose sum is σ = 1237056. Its totient is φ = 600072.

The previous prime is 913943. The next prime is 913981. The reversal of 913947 is 749319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 913947 - 2² = 913943 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 913947.

It is not an unprimeable number, because it can be changed into a prime (913943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (154632).

2⁹¹³⁹⁴⁷ is an apocalyptic number.

913947 is a deficient number, since it is larger than the sum of its proper divisors (323109).

913947 is a wasteful number, since it uses less digits than its factorization.

913947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617.

The product of its digits is 6804, while the sum is 33.

The square root of 913947 is about 956.0057531208. The cubic root of 913947 is about 97.0451131069.

The spelling of 913947 in words is "nine hundred thirteen thousand, nine hundred forty-seven".