3439642 has 8 divisors (see below), whose sum is σ = 5170932. Its totient is φ = 1716000.

The previous prime is 3439637. The next prime is 3439643. The reversal of 3439642 is 2469343.

3439642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3200521 + 239121 = 1789^2 + 489^2 .

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

It is a super-2 number, since 2×3439642² = 23662274176328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3439643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609 + ... + 2692.

Almost surely, 2^3439642 is an apocalyptic number.

3439642 is a deficient number, since it is larger than the sum of its proper divisors (1731290).

3439642 is a wasteful number, since it uses less digits than its factorization.

3439642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824.

The product of its digits is 15552, while the sum is 31.

The square root of 3439642 is about 1854.6271862560. The cubic root of 3439642 is about 150.9516094228.

Subtracting from 3439642 its reverse (2469343), we obtain a cube (970299 = 99³).

The spelling of 3439642 in words is "three million, four hundred thirty-nine thousand, six hundred forty-two".