2871906346 has 4 divisors (see below), whose sum is σ = 4307859522. Its totient is φ = 1435953172.

The previous prime is 2871906343. The next prime is 2871906347. The reversal of 2871906346 is 6436091782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2374125625 + 497780721 = 48725^2 + 22311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2871906296 and 2871906305.

It is not an unprimeable number, because it can be changed into a prime (2871906343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717976585 + ... + 717976588.

Almost surely, 2^2871906346 is an apocalyptic number.

2871906346 is a deficient number, since it is larger than the sum of its proper divisors (1435953176).

2871906346 is a wasteful number, since it uses less digits than its factorization.

2871906346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435953175.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2871906346 is about 53590.1702367141. The cubic root of 2871906346 is about 1421.4232813443.

The spelling of 2871906346 in words is "two billion, eight hundred seventy-one million, nine hundred six thousand, three hundred forty-six".