19716932 has 6 divisors (see below), whose sum is σ = 34504638. Its totient is φ = 9858464.

The previous prime is 19716929. The next prime is 19716943. The reversal of 19716932 is 23961791.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13645636 + 6071296 = 3694^2 + 2464^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2464613 + ... + 2464620.

It is an arithmetic number, because the mean of its divisors is an integer number (5750773).

Almost surely, 2^19716932 is an apocalyptic number.

It is an amenable number.

19716932 is a deficient number, since it is larger than the sum of its proper divisors (14787706).

19716932 is a wasteful number, since it uses less digits than its factorization.

19716932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929237 (or 4929235 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 19716932 is about 4440.3752093714. The cubic root of 19716932 is about 270.1550641057.

The spelling of 19716932 in words is "nineteen million, seven hundred sixteen thousand, nine hundred thirty-two".