3445969 has 4 divisors (see below), whose sum is σ = 3450096. Its totient is φ = 3441844.

The previous prime is 3445963. The next prime is 3445999. The reversal of 3445969 is 9695443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3445969 is a prime.

It is a super-2 number, since 2×3445969² = 23749404697922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3445963) 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, 319 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (862524).

Almost surely, 2^3445969 is an apocalyptic number.

It is an amenable number.

3445969 is a deficient number, since it is larger than the sum of its proper divisors (4127).

3445969 is a wasteful number, since it uses less digits than its factorization.

3445969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126.

The product of its digits is 116640, while the sum is 40.

The square root of 3445969 is about 1856.3321362299. The cubic root of 3445969 is about 151.0441079864.

The spelling of 3445969 in words is "three million, four hundred forty-five thousand, nine hundred sixty-nine".