979838 has 8 divisors (see below), whose sum is σ = 1473960. Its totient is φ = 488520.

The previous prime is 979831. The next prime is 979873. The reversal of 979838 is 838979.

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 (979831) by changing a digit.

979838 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 in 3 ways as a sum of consecutive naturals, for example, 1028 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (184245).

2⁹⁷⁹⁸³⁸ is an apocalyptic number.

979838 is a deficient number, since it is larger than the sum of its proper divisors (494122).

979838 is a wasteful number, since it uses less digits than its factorization.

979838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its digits is 108864, while the sum is 44.

The square root of 979838 is about 989.8676679233. The cubic root of 979838 is about 99.3233653146.

The spelling of 979838 in words is "nine hundred seventy-nine thousand, eight hundred thirty-eight".