1674549 has 12 divisors (see below), whose sum is σ = 2475616. Its totient is φ = 1090152.

The previous prime is 1674539. The next prime is 1674557. The reversal of 1674549 is 9454761.

It is not a de Polignac number, because 1674549 - 2¹¹ = 1672501 is a prime.

It is a super-2 number, since 2×1674549² = 5608228706802, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1777 + ... + 2550.

2^1674549 is an apocalyptic number.

It is an amenable number.

1674549 is a deficient number, since it is larger than the sum of its proper divisors (801067).

1674549 is a wasteful number, since it uses less digits than its factorization.

1674549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376 (or 4373 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1674549 is about 1294.0436623236. The cubic root of 1674549 is about 118.7497270539.

The spelling of 1674549 in words is "one million, six hundred seventy-four thousand, five hundred forty-nine".