3742439 has 8 divisors (see below), whose sum is σ = 3938928. Its totient is φ = 3551040.

The previous prime is 3742391. The next prime is 3742451. The reversal of 3742439 is 9342473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3742439 - 2¹⁶ = 3676903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3742139) 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 7 ways as a sum of consecutive naturals, for example, 284 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (492366).

Almost surely, 2^3742439 is an apocalyptic number.

3742439 is a deficient number, since it is larger than the sum of its proper divisors (196489).

3742439 is a wasteful number, since it uses less digits than its factorization.

3742439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545.

The product of its digits is 18144, while the sum is 32.

The square root of 3742439 is about 1934.5384462450. The cubic root of 3742439 is about 155.2571382195.

The spelling of 3742439 in words is "three million, seven hundred forty-two thousand, four hundred thirty-nine".