1672904 has 16 divisors (see below), whose sum is σ = 3177600. Its totient is φ = 825552.

The previous prime is 1672901. The next prime is 1672921. The reversal of 1672904 is 4092761.

It is not an unprimeable number, because it can be changed into a prime (1672901) 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, 692 + ... + 1955.

It is an arithmetic number, because the mean of its divisors is an integer number (198600).

2^1672904 is an apocalyptic number.

It is an amenable number.

1672904 is a deficient number, since it is larger than the sum of its proper divisors (1504696).

1672904 is a wasteful number, since it uses less digits than its factorization.

1672904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1672904 is about 1293.4079016304. The cubic root of 1672904 is about 118.7108295554.

The spelling of 1672904 in words is "one million, six hundred seventy-two thousand, nine hundred four".