1674491 has 8 divisors (see below), whose sum is σ = 2061024. Its totient is φ = 1324800.

The previous prime is 1674473. The next prime is 1674503. The reversal of 1674491 is 1944761.

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

It is a cyclic number.

It is not a de Polignac number, because 1674491 - 2¹⁸ = 1412347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1674461) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9110 + ... + 9291.

It is an arithmetic number, because the mean of its divisors is an integer number (257628).

2^1674491 is an apocalyptic number.

1674491 is a deficient number, since it is larger than the sum of its proper divisors (386533).

1674491 is a wasteful number, since it uses less digits than its factorization.

1674491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421.

The product of its digits is 6048, while the sum is 32.

The square root of 1674491 is about 1294.0212517575. The cubic root of 1674491 is about 118.7483560253.

The spelling of 1674491 in words is "one million, six hundred seventy-four thousand, four hundred ninety-one".