3745439 has 2 divisors, whose sum is σ = 3745440. Its totient is φ = 3745438.

The previous prime is 3745397. The next prime is 3745453. The reversal of 3745439 is 9345473.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3745399 and 3745408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3745459) 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 as a sum of consecutive naturals, namely, 1872719 + 1872720.

It is an arithmetic number, because the mean of its divisors is an integer number (1872720).

Almost surely, 2^3745439 is an apocalyptic number.

3745439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745439 is an equidigital number, since it uses as much as digits as its factorization.

3745439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 3745439 is about 1935.3136696670. The cubic root of 3745439 is about 155.2986126887.

The spelling of 3745439 in words is "three million, seven hundred forty-five thousand, four hundred thirty-nine".