1999472 has 20 divisors (see below), whose sum is σ = 4102416. Its totient is φ = 940800.

The previous prime is 1999471. The next prime is 1999499. The reversal of 1999472 is 2749991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999471) 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, 3404 + ... + 3947.

2^1999472 is an apocalyptic number.

It is an amenable number.

1999472 is an abundant number, since it is smaller than the sum of its proper divisors (2102944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1999472 is a wasteful number, since it uses less digits than its factorization.

1999472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376 (or 7370 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 1999472 is about 1414.0268738606. The cubic root of 1999472 is about 125.9810167084.

The spelling of 1999472 in words is "one million, nine hundred ninety-nine thousand, four hundred seventy-two".