978514369 has 24 divisors (see below), whose sum is σ = 1200140928. Its totient is φ = 793900800.

The previous prime is 978514367. The next prime is 978514379. The reversal of 978514369 is 963415879.

It is a happy number.

978514369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 978514369 - 2¹ = 978514367 is a prime.

It is a super-2 number, since 2×978514369² = 1914980740678936322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (978514363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104844 + ... + 113794.

It is an arithmetic number, because the mean of its divisors is an integer number (50005872).

Almost surely, 2^978514369 is an apocalyptic number.

It is an amenable number.

978514369 is a deficient number, since it is larger than the sum of its proper divisors (221626559).

978514369 is a wasteful number, since it uses less digits than its factorization.

978514369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085 (or 9078 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 978514369 is about 31281.2143146650. The cubic root of 978514369 is about 992.7862093568.

The spelling of 978514369 in words is "nine hundred seventy-eight million, five hundred fourteen thousand, three hundred sixty-nine".