979400289 has 24 divisors (see below), whose sum is σ = 1520267520. Its totient is φ = 559216224.

The previous prime is 979400281. The next prime is 979400291. The reversal of 979400289 is 982004979.

It is a happy number.

It is not a de Polignac number, because 979400289 - 2³ = 979400281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (979400281) 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, 313467 + ... + 316575.

It is an arithmetic number, because the mean of its divisors is an integer number (63344480).

Almost surely, 2^979400289 is an apocalyptic number.

It is an amenable number.

979400289 is a deficient number, since it is larger than the sum of its proper divisors (540867231).

979400289 is a wasteful number, since it uses less digits than its factorization.

979400289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269 (or 5262 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 979400289 is about 31295.3716865609. The cubic root of 979400289 is about 993.0857327589.

It can be divided in two parts, 9794002 and 89, that multiplied together give a palindrome (871666178).

The spelling of 979400289 in words is "nine hundred seventy-nine million, four hundred thousand, two hundred eighty-nine".