3439681 has 8 divisors (see below), whose sum is σ = 3943040. Its totient is φ = 2939328.

The previous prime is 3439679. The next prime is 3439691. The reversal of 3439681 is 1869343.

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

It is not a de Polignac number, because 3439681 - 2¹ = 3439679 is a prime.

It is a super-2 number, since 2×3439681² = 23662810763522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3439621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905 + ... + 3913.

It is an arithmetic number, because the mean of its divisors is an integer number (492880).

Almost surely, 2^3439681 is an apocalyptic number.

It is an amenable number.

3439681 is a deficient number, since it is larger than the sum of its proper divisors (503359).

3439681 is a wasteful number, since it uses less digits than its factorization.

3439681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503.

The product of its digits is 15552, while the sum is 34.

The square root of 3439681 is about 1854.6377004687. The cubic root of 3439681 is about 150.9521799367.

The spelling of 3439681 in words is "three million, four hundred thirty-nine thousand, six hundred eighty-one".