979951284 has 120 divisors (see below), whose sum is σ = 2775198888. Its totient is φ = 299738880.

The previous prime is 979951283. The next prime is 979951331. The reversal of 979951284 is 482159979.

It can be written as a sum of positive squares in 4 ways, for example, as 470456100 + 509495184 = 21690^2 + 22572^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 979951284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979951283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 829174 + ... + 830354.

Almost surely, 2^979951284 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 979951284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387599444).

979951284 is an abundant number, since it is smaller than the sum of its proper divisors (1795247604).

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

979951284 is a wasteful number, since it uses less digits than its factorization.

979951284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1396 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 979951284 is about 31304.1735875586. The cubic root of 979951284 is about 993.2719292504.

The spelling of 979951284 in words is "nine hundred seventy-nine million, nine hundred fifty-one thousand, two hundred eighty-four".