3391885656 has 24 divisors (see below), whose sum is σ = 9186357180. Its totient is φ = 1130628528.

The previous prime is 3391885591. The next prime is 3391885657. The reversal of 3391885656 is 6565881933.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391885657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23554690 + ... + 23554833.

Almost surely, 2^3391885656 is an apocalyptic number.

3391885656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3391885656 is an abundant number, since it is smaller than the sum of its proper divisors (5794471524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3391885656 is a wasteful number, since it uses less digits than its factorization.

3391885656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47109535 (or 47109528 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 3391885656 is about 58239.8974587009. The cubic root of 3391885656 is about 1502.4974182936.

The spelling of 3391885656 in words is "three billion, three hundred ninety-one million, eight hundred eighty-five thousand, six hundred fifty-six".