3956726 has 4 divisors (see below), whose sum is σ = 5935092. Its totient is φ = 1978362.

The previous prime is 3956681. The next prime is 3956737. The reversal of 3956726 is 6276593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6276593 = 19 ⋅330347.

It is a self number, because there is not a number n which added to its sum of digits gives 3956726.

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, 989180 + ... + 989183.

It is an arithmetic number, because the mean of its divisors is an integer number (1483773).

Almost surely, 2^3956726 is an apocalyptic number.

3956726 is a deficient number, since it is larger than the sum of its proper divisors (1978366).

3956726 is a wasteful number, since it uses less digits than its factorization.

3956726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978365.

The product of its digits is 68040, while the sum is 38.

The square root of 3956726 is about 1989.1520806615. The cubic root of 3956726 is about 158.1655850976.

It can be divided in two parts, 39567 and 26, that added together give a palindrome (39593).

The spelling of 3956726 in words is "three million, nine hundred fifty-six thousand, seven hundred twenty-six".