19380474 has 24 divisors (see below), whose sum is σ = 42180372. Its totient is φ = 6431040.

The previous prime is 19380469. The next prime is 19380511. The reversal of 19380474 is 47408391.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18429849 + 950625 = 4293^2 + 975^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1884 + ... + 6504.

Almost surely, 2^19380474 is an apocalyptic number.

19380474 is an abundant number, since it is smaller than the sum of its proper divisors (22799898).

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

19380474 is a wasteful number, since it uses less digits than its factorization.

19380474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862 (or 4859 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 19380474 is about 4402.3259761176. The cubic root of 19380474 is about 268.6095596499.

The spelling of 19380474 in words is "nineteen million, three hundred eighty thousand, four hundred seventy-four".