1672538 has 16 divisors (see below), whose sum is σ = 2886720. Its totient is φ = 711936.

The previous prime is 1672529. The next prime is 1672549. The reversal of 1672538 is 8352761.

It is a happy number.

It is a super-2 number, since 2×1672538² = 5594766722888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2393 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (180420).

2^1672538 is an apocalyptic number.

1672538 is a deficient number, since it is larger than the sum of its proper divisors (1214182).

1672538 is a wasteful number, since it uses less digits than its factorization.

1672538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its digits is 10080, while the sum is 32.

The square root of 1672538 is about 1293.2664072031. The cubic root of 1672538 is about 118.7021716901.

The spelling of 1672538 in words is "one million, six hundred seventy-two thousand, five hundred thirty-eight".