3774389 has 2 divisors, whose sum is σ = 3774390. Its totient is φ = 3774388.

The previous prime is 3774373. The next prime is 3774409. The reversal of 3774389 is 9834773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3771364 + 3025 = 1942^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 3774389 - 2⁴ = 3774373 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3 + 7⁷ + 7⁷ + 4⁵ + 3¹³ + 8³ + 9⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3774359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887194 + 1887195.

It is an arithmetic number, because the mean of its divisors is an integer number (1887195).

Almost surely, 2^3774389 is an apocalyptic number.

It is an amenable number.

3774389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3774389 is an equidigital number, since it uses as much as digits as its factorization.

3774389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 3774389 is about 1942.7786801383. The cubic root of 3774389 is about 155.6977079437.

The spelling of 3774389 in words is "three million, seven hundred seventy-four thousand, three hundred eighty-nine".