1674401 has 4 divisors (see below), whose sum is σ = 1697412. Its totient is φ = 1651392.

The previous prime is 1674391. The next prime is 1674433. The reversal of 1674401 is 1044761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 672400 + 1002001 = 820^2 + 1001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1674401 - 2¹⁰ = 1673377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1674461) 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, 11396 + ... + 11541.

It is an arithmetic number, because the mean of its divisors is an integer number (424353).

2^1674401 is an apocalyptic number.

It is an amenable number.

1674401 is a deficient number, since it is larger than the sum of its proper divisors (23011).

1674401 is an equidigital number, since it uses as much as digits as its factorization.

1674401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23010.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1674401 is about 1293.9864759726. The cubic root of 1674401 is about 118.7462285044.

The spelling of 1674401 in words is "one million, six hundred seventy-four thousand, four hundred one".