670984344 has 128 divisors (see below), whose sum is σ = 1948032000. Its totient is φ = 213777792.

The previous prime is 670984331. The next prime is 670984409. The reversal of 670984344 is 443489076.

It is a super-2 number, since 2×670984344² = 900439979786220672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 670984344.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 470817 + ... + 472239.

It is an arithmetic number, because the mean of its divisors is an integer number (15219000).

Almost surely, 2^670984344 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 670984344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974016000).

670984344 is an abundant number, since it is smaller than the sum of its proper divisors (1277047656).

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

670984344 is a wasteful number, since it uses less digits than its factorization.

670984344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 670984344 is about 25903.3654956262. The cubic root of 670984344 is about 875.4623272127.

The spelling of 670984344 in words is "six hundred seventy million, nine hundred eighty-four thousand, three hundred forty-four".