1670044 has 6 divisors (see below), whose sum is σ = 2922584. Its totient is φ = 835020.

The previous prime is 1670017. The next prime is 1670057. The reversal of 1670044 is 4400761.

It is a junction number, because it is equal to n+sod(n) for n = 1669997 and 1670024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208752 + ... + 208759.

2^1670044 is an apocalyptic number.

It is an amenable number.

1670044 is a deficient number, since it is larger than the sum of its proper divisors (1252540).

1670044 is a wasteful number, since it uses less digits than its factorization.

1670044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417515 (or 417513 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1670044 is about 1292.3018223310. The cubic root of 1670044 is about 118.6431415443.

The spelling of 1670044 in words is "one million, six hundred seventy thousand, forty-four".