938979 has 16 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 616968.

The previous prime is 938969. The next prime is 938981. The reversal of 938979 is 979839.

938979 = T₁₀₇ + T₁₀₈ + ... + T₁₈₉.

It is a happy number.

It is not a de Polignac number, because 938979 - 2⁴ = 938963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (938939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2032 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2⁹³⁸⁹⁷⁹ is an apocalyptic number.

938979 is a deficient number, since it is larger than the sum of its proper divisors (472221).

938979 is a wasteful number, since it uses less digits than its factorization.

938979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 505 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 938979 is about 969.0092878812. The cubic root of 938979 is about 97.9231314478.

The spelling of 938979 in words is "nine hundred thirty-eight thousand, nine hundred seventy-nine".