3421380156 has 12 divisors (see below), whose sum is σ = 7983220392. Its totient is φ = 1140460048.

The previous prime is 3421380119. The next prime is 3421380161. The reversal of 3421380156 is 6510831243.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142557495 + ... + 142557518.

It is an arithmetic number, because the mean of its divisors is an integer number (665268366).

Almost surely, 2^3421380156 is an apocalyptic number.

It is an amenable number.

3421380156 is an abundant number, since it is smaller than the sum of its proper divisors (4561840236).

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

3421380156 is a wasteful number, since it uses less digits than its factorization.

3421380156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285115020 (or 285115018 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 3421380156 is about 58492.5649634208. The cubic root of 3421380156 is about 1506.8398973511.

The spelling of 3421380156 in words is "three billion, four hundred twenty-one million, three hundred eighty thousand, one hundred fifty-six".