3774321 has 12 divisors (see below), whose sum is σ = 5640180. Its totient is φ = 2429280.

The previous prime is 3774307. The next prime is 3774347. The reversal of 3774321 is 1234773.

It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 2852721 = 960^2 + 1689^2 .

It is not a de Polignac number, because 3774321 - 2⁶ = 3774257 is a prime.

It is a super-2 number, since 2×3774321² = 28490998022082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3774361) 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 11 ways as a sum of consecutive naturals, for example, 6970 + ... + 7491.

It is an arithmetic number, because the mean of its divisors is an integer number (470015).

Almost surely, 2^3774321 is an apocalyptic number.

It is an amenable number.

3774321 is a deficient number, since it is larger than the sum of its proper divisors (1865859).

3774321 is a wasteful number, since it uses less digits than its factorization.

3774321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14496 (or 14493 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 3774321 is about 1942.7611793527. The cubic root of 3774321 is about 155.6967729131.

It can be divided in two parts, 3774 and 321, that added together give a triangular number (4095 = T₉₀).

The spelling of 3774321 in words is "three million, seven hundred seventy-four thousand, three hundred twenty-one".