978934 has 8 divisors (see below), whose sum is σ = 1601928. Its totient is φ = 444960.

The previous prime is 978931. The next prime is 978947. The reversal of 978934 is 439879.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978931) 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, 22227 + ... + 22270.

It is an arithmetic number, because the mean of its divisors is an integer number (200241).

2⁹⁷⁸⁹³⁴ is an apocalyptic number.

978934 is a deficient number, since it is larger than the sum of its proper divisors (622994).

978934 is a wasteful number, since it uses less digits than its factorization.

978934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44510.

The product of its digits is 54432, while the sum is 40.

The square root of 978934 is about 989.4109358603. The cubic root of 978934 is about 99.2928106211.

The spelling of 978934 in words is "nine hundred seventy-eight thousand, nine hundred thirty-four".