3439664217 has 24 divisors (see below), whose sum is σ = 5601172640. Its totient is φ = 2084643000.

The previous prime is 3439664203. The next prime is 3439664243. The reversal of 3439664217 is 7124669343.

3439664217 is a `hidden beast` number, since 343 + 96 + 6 + 4 + 217 = 666.

It is not a de Polignac number, because 3439664217 - 2⁶ = 3439664153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3439664287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 523159 + ... + 529692.

Almost surely, 2^3439664217 is an apocalyptic number.

It is an amenable number.

3439664217 is a deficient number, since it is larger than the sum of its proper divisors (2161508423).

3439664217 is a wasteful number, since it uses less digits than its factorization.

3439664217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052882 (or 1052865 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 3439664217 is about 58648.6505982874. The cubic root of 3439664217 is about 1509.5193442605.

The spelling of 3439664217 in words is "three billion, four hundred thirty-nine million, six hundred sixty-four thousand, two hundred seventeen".