3440726 has 4 divisors (see below), whose sum is σ = 5161092. Its totient is φ = 1720362.

The previous prime is 3440719. The next prime is 3440771. The reversal of 3440726 is 6270443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6270443 = 109 ⋅57527.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3440695 and 3440704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860180 + ... + 860183.

It is an arithmetic number, because the mean of its divisors is an integer number (1290273).

Almost surely, 2^3440726 is an apocalyptic number.

3440726 is a deficient number, since it is larger than the sum of its proper divisors (1720366).

3440726 is a wasteful number, since it uses less digits than its factorization.

3440726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720365.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3440726 is about 1854.9194052573. The cubic root of 3440726 is about 150.9674651774.

The spelling of 3440726 in words is "three million, four hundred forty thousand, seven hundred twenty-six".