19396964 has 12 divisors (see below), whose sum is σ = 34212864. Its totient is φ = 9621864.

The previous prime is 19396961. The next prime is 19396973. The reversal of 19396964 is 46969391.

It is not an unprimeable number, because it can be changed into a prime (19396961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18584 + ... + 19599.

It is an arithmetic number, because the mean of its divisors is an integer number (2851072).

Almost surely, 2^19396964 is an apocalyptic number.

It is an amenable number.

19396964 is a deficient number, since it is larger than the sum of its proper divisors (14815900).

19396964 is a wasteful number, since it uses less digits than its factorization.

19396964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38314 (or 38312 counting only the distinct ones).

The product of its digits is 314928, while the sum is 47.

The square root of 19396964 is about 4404.1984514779. The cubic root of 19396964 is about 268.6857207727.

The spelling of 19396964 in words is "nineteen million, three hundred ninety-six thousand, nine hundred sixty-four".