1672838 has 8 divisors (see below), whose sum is σ = 2533032. Its totient is φ = 828496.

The previous prime is 1672799. The next prime is 1672849. The reversal of 1672838 is 8382761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1672798 and 1672807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3695 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (316629).

2^1672838 is an apocalyptic number.

1672838 is a deficient number, since it is larger than the sum of its proper divisors (860194).

1672838 is a wasteful number, since it uses less digits than its factorization.

1672838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926.

The product of its digits is 16128, while the sum is 35.

The square root of 1672838 is about 1293.3823873859. The cubic root of 1672838 is about 118.7092683943.

The spelling of 1672838 in words is "one million, six hundred seventy-two thousand, eight hundred thirty-eight".