19974344 has 32 divisors (see below), whose sum is σ = 40635000. Its totient is φ = 9149952.

The previous prime is 19974319. The next prime is 19974397. The reversal of 19974344 is 44347991.

It can be written as a sum of positive squares in 4 ways, for example, as 12888100 + 7086244 = 3590^2 + 2662^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14852 + ... + 16140.

Almost surely, 2^19974344 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 19974344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20317500).

19974344 is an abundant number, since it is smaller than the sum of its proper divisors (20660656).

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

19974344 is a wasteful number, since it uses less digits than its factorization.

19974344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1453 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 19974344 is about 4469.2666065027. The cubic root of 19974344 is about 271.3256434959.

The spelling of 19974344 in words is "nineteen million, nine hundred seventy-four thousand, three hundred forty-four".