978337140 has 96 divisors (see below), whose sum is σ = 2995453440. Its totient is φ = 236611200.

The previous prime is 978337109. The next prime is 978337141. The reversal of 978337140 is 41733879.

978337140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 978337092 and 978337101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978337141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322551 + ... + 325569.

It is an arithmetic number, because the mean of its divisors is an integer number (31202640).

Almost surely, 2^978337140 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 978337140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497726720).

978337140 is an abundant number, since it is smaller than the sum of its proper divisors (2017116300).

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

978337140 is a wasteful number, since it uses less digits than its factorization.

978337140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 978337140 is about 31278.3813519818. The cubic root of 978337140 is about 992.7262677636.

The spelling of 978337140 in words is "nine hundred seventy-eight million, three hundred thirty-seven thousand, one hundred forty".