3447723 has 16 divisors (see below), whose sum is σ = 4965120. Its totient is φ = 2121504.

The previous prime is 3447713. The next prime is 3447733. The reversal of 3447723 is 3277443.

It is an interprime number because it is at equal distance from previous prime (3447713) and next prime (3447733).

It is a de Polignac number, because none of the positive numbers 2^k-3447723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3447713) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1140 + ... + 2862.

It is an arithmetic number, because the mean of its divisors is an integer number (310320).

Almost surely, 2^3447723 is an apocalyptic number.

3447723 is a deficient number, since it is larger than the sum of its proper divisors (1517397).

3447723 is a wasteful number, since it uses less digits than its factorization.

3447723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778.

The product of its digits is 14112, while the sum is 30.

The square root of 3447723 is about 1856.8045131354. The cubic root of 3447723 is about 151.0697308159.

The spelling of 3447723 in words is "three million, four hundred forty-seven thousand, seven hundred twenty-three".