3406655872 has 16 divisors (see below), whose sum is σ = 6786697500. Its totient is φ = 1703327872.

The previous prime is 3406655869. The next prime is 3406655873. The reversal of 3406655872 is 2785566043.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406655873) 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 as a sum of consecutive naturals, namely, 13307122 + ... + 13307377.

Almost surely, 2^3406655872 is an apocalyptic number.

3406655872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3406655872 is a deficient number, since it is larger than the sum of its proper divisors (3380041628).

3406655872 is an equidigital number, since it uses as much as digits as its factorization.

3406655872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26614513 (or 26614501 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The square root of 3406655872 is about 58366.5646753345. The cubic root of 3406655872 is about 1504.6751721861.

The spelling of 3406655872 in words is "three billion, four hundred six million, six hundred fifty-five thousand, eight hundred seventy-two".