978479396 has 24 divisors (see below), whose sum is σ = 1729553280. Its totient is φ = 484344000.

The previous prime is 978479389. The next prime is 978479407. The reversal of 978479396 is 693974879.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185240 + ... + 190448.

It is an arithmetic number, because the mean of its divisors is an integer number (72064720).

Almost surely, 2^978479396 is an apocalyptic number.

It is an amenable number.

978479396 is a deficient number, since it is larger than the sum of its proper divisors (751073884).

978479396 is a wasteful number, since it uses less digits than its factorization.

978479396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675 (or 5673 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 62.

The square root of 978479396 is about 31280.6553000413. The cubic root of 978479396 is about 992.7743815197.

The spelling of 978479396 in words is "nine hundred seventy-eight million, four hundred seventy-nine thousand, three hundred ninety-six".