2839920671 has 32 divisors (see below), whose sum is σ = 3556224000. Its totient is φ = 2212745472.

The previous prime is 2839920667. The next prime is 2839920673. The reversal of 2839920671 is 1760299382.

It is a happy number.

It is not a de Polignac number, because 2839920671 - 2² = 2839920667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839920673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641915 + ... + 646323.

It is an arithmetic number, because the mean of its divisors is an integer number (111132000).

Almost surely, 2^2839920671 is an apocalyptic number.

2839920671 is a deficient number, since it is larger than the sum of its proper divisors (716303329).

2839920671 is a wasteful number, since it uses less digits than its factorization.

2839920671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2839920671 is about 53290.9060816196. The cubic root of 2839920671 is about 1416.1265645367.

The spelling of 2839920671 in words is "two billion, eight hundred thirty-nine million, nine hundred twenty thousand, six hundred seventy-one".