1674644 has 12 divisors (see below), whose sum is σ = 2940000. Its totient is φ = 834648.

The previous prime is 1674643. The next prime is 1674649. The reversal of 1674644 is 4464761.

It is a self number, because there is not a number n which added to its sum of digits gives 1674644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674643) 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, 1577 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (245000).

2^1674644 is an apocalyptic number.

It is an amenable number.

1674644 is a deficient number, since it is larger than the sum of its proper divisors (1265356).

1674644 is a wasteful number, since it uses less digits than its factorization.

1674644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1340 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 1674644 is about 1294.0803684470. The cubic root of 1674644 is about 118.7519726357.

The spelling of 1674644 in words is "one million, six hundred seventy-four thousand, six hundred forty-four".