1869872 has 10 divisors (see below), whose sum is σ = 3622908. Its totient is φ = 934928.

The previous prime is 1869871. The next prime is 1869929. The reversal of 1869872 is 2789681.

It is not an unprimeable number, because it can be changed into a prime (1869871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58418 + ... + 58449.

2^1869872 is an apocalyptic number.

It is an amenable number.

1869872 is a deficient number, since it is larger than the sum of its proper divisors (1753036).

1869872 is a wasteful number, since it uses less digits than its factorization.

1869872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116875 (or 116869 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 1869872 is about 1367.4326308817. The cubic root of 1869872 is about 123.1980856508.

The spelling of 1869872 in words is "one million, eight hundred sixty-nine thousand, eight hundred seventy-two".