3926723 has 4 divisors (see below), whose sum is σ = 3948840. Its totient is φ = 3904608.

The previous prime is 3926719. The next prime is 3926729. The reversal of 3926723 is 3276293.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3926723 - 2² = 3926719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3926723.

It is not an unprimeable number, because it can be changed into a prime (3926729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10790 + ... + 11147.

It is an arithmetic number, because the mean of its divisors is an integer number (987210).

Almost surely, 2^3926723 is an apocalyptic number.

3926723 is a deficient number, since it is larger than the sum of its proper divisors (22117).

3926723 is a wasteful number, since it uses less digits than its factorization.

3926723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22116.

The product of its digits is 13608, while the sum is 32.

The square root of 3926723 is about 1981.5960738758. The cubic root of 3926723 is about 157.7647918331.

It can be divided in two parts, 39 and 26723, that added together give a palindrome (26762).

The spelling of 3926723 in words is "three million, nine hundred twenty-six thousand, seven hundred twenty-three".