978265344 has 144 divisors (see below), whose sum is σ = 2990715392. Its totient is φ = 278083584.

The previous prime is 978265339. The next prime is 978265403. The reversal of 978265344 is 443562879.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 978265293 and 978265302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521087 + ... + 1521729.

Almost surely, 2^978265344 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 978265344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495357696).

978265344 is an abundant number, since it is smaller than the sum of its proper divisors (2012450048).

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

978265344 is a wasteful number, since it uses less digits than its factorization.

978265344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 938 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 978265344 is about 31277.2336372640. The cubic root of 978265344 is about 992.7019831839.

The spelling of 978265344 in words is "nine hundred seventy-eight million, two hundred sixty-five thousand, three hundred forty-four".