1999372 has 12 divisors (see below), whose sum is σ = 3565296. Its totient is φ = 980720.

The previous prime is 1999363. The next prime is 1999379. The reversal of 1999372 is 2739991.

It is not an unprimeable number, because it can be changed into a prime (1999379) 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, 4504 + ... + 4927.

It is an arithmetic number, because the mean of its divisors is an integer number (297108).

2^1999372 is an apocalyptic number.

It is an amenable number.

1999372 is a deficient number, since it is larger than the sum of its proper divisors (1565924).

1999372 is a wasteful number, since it uses less digits than its factorization.

1999372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9488 (or 9486 counting only the distinct ones).

The product of its digits is 30618, while the sum is 40.

The square root of 1999372 is about 1413.9915134116. The cubic root of 1999372 is about 125.9789164353.

The spelling of 1999372 in words is "one million, nine hundred ninety-nine thousand, three hundred seventy-two".