978327936 has 256 divisors, whose sum is σ = 3113856000. Its totient is φ = 301418496.

The previous prime is 978327929. The next prime is 978327947. The reversal of 978327936 is 639723879.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3086050 + ... + 3086366.

It is an arithmetic number, because the mean of its divisors is an integer number (12163500).

Almost surely, 2^978327936 is an apocalyptic number.

978327936 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978327936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556928000).

978327936 is an abundant number, since it is smaller than the sum of its proper divisors (2135528064).

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

978327936 is a wasteful number, since it uses less digits than its factorization.

978327936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 388 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 978327936 is about 31278.2342212600. The cubic root of 978327936 is about 992.7231546305.

The spelling of 978327936 in words is "nine hundred seventy-eight million, three hundred twenty-seven thousand, nine hundred thirty-six".