3154969856 has 72 divisors (see below), whose sum is σ = 6666955680. Its totient is φ = 1487517696.

The previous prime is 3154969847. The next prime is 3154969921. The reversal of 3154969856 is 6589694513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314291 + ... + 324173.

Almost surely, 2^3154969856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3154969856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3333477840).

3154969856 is an abundant number, since it is smaller than the sum of its proper divisors (3511985824).

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

3154969856 is an equidigital number, since it uses as much as digits as its factorization.

3154969856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9971 (or 9957 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 56.

The square root of 3154969856 is about 56169.1183480745. The cubic root of 3154969856 is about 1466.6677348018.

The spelling of 3154969856 in words is "three billion, one hundred fifty-four million, nine hundred sixty-nine thousand, eight hundred fifty-six".