978601392 has 80 divisors (see below), whose sum is σ = 2813078880. Its totient is φ = 325721088.

The previous prime is 978601373. The next prime is 978601409. The reversal of 978601392 is 293106879.

978601392 is a `hidden beast` number, since 9 + 7 + 8 + 601 + 39 + 2 = 666.

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 15 ways as a sum of consecutive naturals, for example, 410508 + ... + 412884.

It is an arithmetic number, because the mean of its divisors is an integer number (35163486).

Almost surely, 2^978601392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978601392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406539440).

978601392 is an abundant number, since it is smaller than the sum of its proper divisors (1834477488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

978601392 is a wasteful number, since it uses less digits than its factorization.

978601392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 978601392 is about 31282.6052623499. The cubic root of 978601392 is about 992.8156392341.

The spelling of 978601392 in words is "nine hundred seventy-eight million, six hundred one thousand, three hundred ninety-two".