978839038 has 8 divisors (see below), whose sum is σ = 1479820032. Its totient is φ = 485565696.

The previous prime is 978839027. The next prime is 978839041. The reversal of 978839038 is 830938879.

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

It is a self number, because there is not a number n which added to its sum of digits gives 978839038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926595 + ... + 1927102.

It is an arithmetic number, because the mean of its divisors is an integer number (184977504).

Almost surely, 2^978839038 is an apocalyptic number.

978839038 is a deficient number, since it is larger than the sum of its proper divisors (500980994).

978839038 is a wasteful number, since it uses less digits than its factorization.

978839038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853826.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 978839038 is about 31286.4034046741. The cubic root of 978839038 is about 992.8959986706.

The spelling of 978839038 in words is "nine hundred seventy-eight million, eight hundred thirty-nine thousand, thirty-eight".