2861889032 has 16 divisors (see below), whose sum is σ = 5480213760. Its totient is φ = 1400498704.

The previous prime is 2861888971. The next prime is 2861889077. The reversal of 2861889032 is 2309881682.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3805328 + ... + 3806079.

It is an arithmetic number, because the mean of its divisors is an integer number (342513360).

Almost surely, 2^2861889032 is an apocalyptic number.

It is an amenable number.

2861889032 is a deficient number, since it is larger than the sum of its proper divisors (2618324728).

2861889032 is a wasteful number, since it uses less digits than its factorization.

2861889032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611460 (or 7611456 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 2861889032 is about 53496.6263609211. The cubic root of 2861889032 is about 1419.7686973647.

The spelling of 2861889032 in words is "two billion, eight hundred sixty-one million, eight hundred eighty-nine thousand, thirty-two".