1674331 has 4 divisors (see below), whose sum is σ = 1747152. Its totient is φ = 1601512.

The previous prime is 1674329. The next prime is 1674353. The reversal of 1674331 is 1334761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1334761 = 647 ⋅2063.

It is a cyclic number.

It is not a de Polignac number, because 1674331 - 2¹ = 1674329 is a prime.

It is a super-2 number, since 2×1674331² = 5606768595122, which contains 22 as substring.

It is a Duffinian number.

1674331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1674296 and 1674305.

It is not an unprimeable number, because it can be changed into a prime (1674301) 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 3 ways as a sum of consecutive naturals, for example, 36376 + ... + 36421.

It is an arithmetic number, because the mean of its divisors is an integer number (436788).

2^1674331 is an apocalyptic number.

1674331 is a deficient number, since it is larger than the sum of its proper divisors (72821).

1674331 is an equidigital number, since it uses as much as digits as its factorization.

1674331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72820.

The product of its digits is 1512, while the sum is 25.

The square root of 1674331 is about 1293.9594274938. The cubic root of 1674331 is about 118.7445737133.

It can be divided in two parts, 16 and 74331, that added together give a palindrome (74347).

The spelling of 1674331 in words is "one million, six hundred seventy-four thousand, three hundred thirty-one".