978345441 has 12 divisors (see below), whose sum is σ = 1418270932. Its totient is φ = 649874016.

The previous prime is 978345437. The next prime is 978345449. The reversal of 978345441 is 144543879.

978345441 is a `hidden beast` number, since 9 + 78 + 34 + 544 + 1 = 666.

978345441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 383180625 + 595164816 = 19575^2 + 24396^2 .

It is not a de Polignac number, because 978345441 - 2² = 978345437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (978345449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193726 + ... + 198711.

Almost surely, 2^978345441 is an apocalyptic number.

It is an amenable number.

978345441 is a deficient number, since it is larger than the sum of its proper divisors (439925491).

978345441 is a wasteful number, since it uses less digits than its factorization.

978345441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392720 (or 392717 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 978345441 is about 31278.5140471858. The cubic root of 978345441 is about 992.7290754519.

The spelling of 978345441 in words is "nine hundred seventy-eight million, three hundred forty-five thousand, four hundred forty-one".