978334417 has 8 divisors (see below), whose sum is σ = 1021228416. Its totient is φ = 935470272.

The previous prime is 978334373. The next prime is 978334421. The reversal of 978334417 is 714433879.

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

It is a cyclic number.

It is not a de Polignac number, because 978334417 - 2⁷ = 978334289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (978334477) by changing a digit.

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, 82953 + ... + 94009.

It is an arithmetic number, because the mean of its divisors is an integer number (127653552).

Almost surely, 2^978334417 is an apocalyptic number.

It is an amenable number.

978334417 is a deficient number, since it is larger than the sum of its proper divisors (42893999).

978334417 is a wasteful number, since it uses less digits than its factorization.

978334417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14927.

The product of its digits is 508032, while the sum is 46.

The square root of 978334417 is about 31278.3378234842. The cubic root of 978334417 is about 992.7253467463.

The spelling of 978334417 in words is "nine hundred seventy-eight million, three hundred thirty-four thousand, four hundred seventeen".