979954 has 4 divisors (see below), whose sum is σ = 1469934. Its totient is φ = 489976.

The previous prime is 979949. The next prime is 979969. The reversal of 979954 is 459979.

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

It can be written as a sum of positive squares in only one way, i.e., 801025 + 178929 = 895^2 + 423^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 979954.

It is an unprimeable number.

979954 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244987 + ... + 244990.

2⁹⁷⁹⁹⁵⁴ is an apocalyptic number.

979954 is a deficient number, since it is larger than the sum of its proper divisors (489980).

979954 is a wasteful number, since it uses less digits than its factorization.

979954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489979.

The product of its digits is 102060, while the sum is 43.

The square root of 979954 is about 989.9262598800. The cubic root of 979954 is about 99.3272846889.

The spelling of 979954 in words is "nine hundred seventy-nine thousand, nine hundred fifty-four".