947279 has 8 divisors (see below), whose sum is σ = 976752. Its totient is φ = 918400.

The previous prime is 947263. The next prime is 947299. The reversal of 947279 is 972749.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 947279 - 2⁴ = 947263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947239) 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, 8327 + ... + 8439.

It is an arithmetic number, because the mean of its divisors is an integer number (122094).

2⁹⁴⁷²⁷⁹ is an apocalyptic number.

947279 is a deficient number, since it is larger than the sum of its proper divisors (29473).

947279 is a wasteful number, since it uses less digits than its factorization.

947279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its digits is 31752, while the sum is 38.

The square root of 947279 is about 973.2825900015. The cubic root of 947279 is about 98.2108123258.

The spelling of 947279 in words is "nine hundred forty-seven thousand, two hundred seventy-nine".