3439387 has 4 divisors (see below), whose sum is σ = 3930736. Its totient is φ = 2948040.

The previous prime is 3439379. The next prime is 3439393. The reversal of 3439387 is 7839343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3439387 - 2³ = 3439379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3439307) 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 3 ways as a sum of consecutive naturals, for example, 245664 + ... + 245677.

It is an arithmetic number, because the mean of its divisors is an integer number (982684).

Almost surely, 2^3439387 is an apocalyptic number.

3439387 is a deficient number, since it is larger than the sum of its proper divisors (491349).

3439387 is an equidigital number, since it uses as much as digits as its factorization.

3439387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491348.

The product of its digits is 54432, while the sum is 37.

The square root of 3439387 is about 1854.5584380116. The cubic root of 3439387 is about 150.9478790334.

It can be divided in two parts, 343 and 9387, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 3439387 in words is "three million, four hundred thirty-nine thousand, three hundred eighty-seven".