1949872 has 10 divisors (see below), whose sum is σ = 3777908. Its totient is φ = 974928.

The previous prime is 1949839. The next prime is 1949881. The reversal of 1949872 is 2789491.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60918 + ... + 60949.

2^1949872 is an apocalyptic number.

It is an amenable number.

1949872 is a deficient number, since it is larger than the sum of its proper divisors (1828036).

1949872 is a wasteful number, since it uses less digits than its factorization.

1949872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121875 (or 121869 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 1949872 is about 1396.3781722728. The cubic root of 1949872 is about 124.9305641031.

The spelling of 1949872 in words is "one million, nine hundred forty-nine thousand, eight hundred seventy-two".