979963 has 4 divisors (see below), whose sum is σ = 1031560. Its totient is φ = 928368.

The previous prime is 979949. The next prime is 979969. The reversal of 979963 is 369979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979963 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (979969) 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, 25770 + ... + 25807.

It is an arithmetic number, because the mean of its divisors is an integer number (257890).

2⁹⁷⁹⁹⁶³ is an apocalyptic number.

979963 is a deficient number, since it is larger than the sum of its proper divisors (51597).

979963 is a wasteful number, since it uses less digits than its factorization.

979963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51596.

The product of its digits is 91854, while the sum is 43.

The square root of 979963 is about 989.9308056627. The cubic root of 979963 is about 99.3275887654.

The spelling of 979963 in words is "nine hundred seventy-nine thousand, nine hundred sixty-three".