3420475656 has 64 divisors (see below), whose sum is σ = 9457896000. Its totient is φ = 1024005888.

The previous prime is 3420475609. The next prime is 3420475657. The reversal of 3420475656 is 6565740243.

It is not an unprimeable number, because it can be changed into a prime (3420475657) 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, 136606 + ... + 159693.

It is an arithmetic number, because the mean of its divisors is an integer number (147779625).

Almost surely, 2^3420475656 is an apocalyptic number.

It is an amenable number.

3420475656 is an abundant number, since it is smaller than the sum of its proper divisors (6037420344).

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

3420475656 is a wasteful number, since it uses less digits than its factorization.

3420475656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296358 (or 296354 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The square root of 3420475656 is about 58484.8327004532. The cubic root of 3420475656 is about 1506.7070994014.

The spelling of 3420475656 in words is "three billion, four hundred twenty million, four hundred seventy-five thousand, six hundred fifty-six".