676979424 has 384 divisors, whose sum is σ = 2380492800. Its totient is φ = 184757760.

The previous prime is 676979411. The next prime is 676979431. The reversal of 676979424 is 424979676.

It is a happy number.

It is a super-2 number, since 2×676979424² = 916602281038743552, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4153167 + ... + 4153329.

It is an arithmetic number, because the mean of its divisors is an integer number (6199200).

Almost surely, 2^676979424 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 676979424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190246400).

676979424 is an abundant number, since it is smaller than the sum of its proper divisors (1703513376).

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

676979424 is a wasteful number, since it uses less digits than its factorization.

676979424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 221 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 676979424 is about 26018.8282595508. The cubic root of 676979424 is about 878.0619470167.

It can be divided in two parts, 676 and 979424, that added together give a square (980100 = 990²).

The spelling of 676979424 in words is "six hundred seventy-six million, nine hundred seventy-nine thousand, four hundred twenty-four".