978954 has 16 divisors (see below), whose sum is σ = 1971648. Its totient is φ = 324032.

The previous prime is 978947. The next prime is 978973. The reversal of 978954 is 459879.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 978954.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (123228).

2⁹⁷⁸⁹⁵⁴ is an apocalyptic number.

978954 is an abundant number, since it is smaller than the sum of its proper divisors (992694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

978954 is a wasteful number, since it uses less digits than its factorization.

978954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its digits is 90720, while the sum is 42.

The square root of 978954 is about 989.4210428326. The cubic root of 978954 is about 99.2934868133.

The spelling of 978954 in words is "nine hundred seventy-eight thousand, nine hundred fifty-four".