19979332 has 12 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 9979976.

The previous prime is 19979327. The next prime is 19979339. The reversal of 19979332 is 23397991.

It is not an unprimeable number, because it can be changed into a prime (19979339) 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, 4269 + ... + 7627.

It is an arithmetic number, because the mean of its divisors is an integer number (2916480).

Almost surely, 2^19979332 is an apocalyptic number.

It is an amenable number.

19979332 is a deficient number, since it is larger than the sum of its proper divisors (15018428).

19979332 is a wasteful number, since it uses less digits than its factorization.

19979332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850 (or 4848 counting only the distinct ones).

The product of its digits is 91854, while the sum is 43.

The square root of 19979332 is about 4469.8246050600. The cubic root of 19979332 is about 271.3482267936.

The spelling of 19979332 in words is "nineteen million, nine hundred seventy-nine thousand, three hundred thirty-two".