19797364 has 6 divisors (see below), whose sum is σ = 34645394. Its totient is φ = 9898680.

The previous prime is 19797359. The next prime is 19797389. The reversal of 19797364 is 46379791.

It can be written as a sum of positive squares in only one way, i.e., 16337764 + 3459600 = 4042^2 + 1860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2474667 + ... + 2474674.

Almost surely, 2^19797364 is an apocalyptic number.

It is an amenable number.

19797364 is a deficient number, since it is larger than the sum of its proper divisors (14848030).

19797364 is a wasteful number, since it uses less digits than its factorization.

19797364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949345 (or 4949343 counting only the distinct ones).

The product of its digits is 285768, while the sum is 46.

The square root of 19797364 is about 4449.4228839255. The cubic root of 19797364 is about 270.5219168546.

The spelling of 19797364 in words is "nineteen million, seven hundred ninety-seven thousand, three hundred sixty-four".