3439726 has 4 divisors (see below), whose sum is σ = 5159592. Its totient is φ = 1719862.

The previous prime is 3439697. The next prime is 3439747. The reversal of 3439726 is 6279343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6279343 = 7 ⋅897049.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3439691 and 3439700.

It is a congruent number.

It is an unprimeable number.

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, 859930 + ... + 859933.

It is an arithmetic number, because the mean of its divisors is an integer number (1289898).

Almost surely, 2^3439726 is an apocalyptic number.

3439726 is a deficient number, since it is larger than the sum of its proper divisors (1719866).

3439726 is a wasteful number, since it uses less digits than its factorization.

3439726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719865.

The product of its digits is 27216, while the sum is 34.

The square root of 3439726 is about 1854.6498321786. The cubic root of 3439726 is about 150.9528382166.

The spelling of 3439726 in words is "three million, four hundred thirty-nine thousand, seven hundred twenty-six".