3143845928 has 32 divisors (see below), whose sum is σ = 6090427200. Its totient is φ = 1520443008.

The previous prime is 3143845927. The next prime is 3143845931. The reversal of 3143845928 is 8295483413.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3143845927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8933 + ... + 79796.

It is an arithmetic number, because the mean of its divisors is an integer number (190325850).

Almost surely, 2^3143845928 is an apocalyptic number.

It is an amenable number.

3143845928 is a deficient number, since it is larger than the sum of its proper divisors (2946581272).

3143845928 is a wasteful number, since it uses less digits than its factorization.

3143845928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88881 (or 88877 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 3143845928 is about 56070.0091671118. The cubic root of 3143845928 is about 1464.9419582747.

The spelling of 3143845928 in words is "three billion, one hundred forty-three million, eight hundred forty-five thousand, nine hundred twenty-eight".