3447969 has 16 divisors (see below), whose sum is σ = 5304192. Its totient is φ = 1951488.

The previous prime is 3447959. The next prime is 3447971. The reversal of 3447969 is 9697443.

It is not a de Polignac number, because 3447969 - 2⁸ = 3447713 is a prime.

It is a super-2 number, since 2×3447969² = 23776980449922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3447969.

It is not an unprimeable number, because it can be changed into a prime (3447959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1647 + ... + 3099.

It is an arithmetic number, because the mean of its divisors is an integer number (331512).

Almost surely, 2^3447969 is an apocalyptic number.

It is an amenable number.

3447969 is a deficient number, since it is larger than the sum of its proper divisors (1856223).

3447969 is a wasteful number, since it uses less digits than its factorization.

3447969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576.

The product of its digits is 163296, while the sum is 42.

The square root of 3447969 is about 1856.8707547915. The cubic root of 3447969 is about 151.0733237447.

The spelling of 3447969 in words is "three million, four hundred forty-seven thousand, nine hundred sixty-nine".