19670244 has 144 divisors (see below), whose sum is σ = 57200640. Its totient is φ = 5227200.

The previous prime is 19670239. The next prime is 19670257. The reversal of 19670244 is 44207691.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 634509 + ... + 634539.

Almost surely, 2^19670244 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 19670244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28600320).

19670244 is an abundant number, since it is smaller than the sum of its proper divisors (37530396).

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

19670244 is a wasteful number, since it uses less digits than its factorization.

19670244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 19670244 is about 4435.1148801356. The cubic root of 19670244 is about 269.9416609209.

The spelling of 19670244 in words is "nineteen million, six hundred seventy thousand, two hundred forty-four".