2870839 has 2 divisors, whose sum is σ = 2870840. Its totient is φ = 2870838.

The previous prime is 2870831. The next prime is 2870863. The reversal of 2870839 is 9380782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2870839 - 2³ = 2870831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2870798 and 2870807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2870831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435419 + 1435420.

It is an arithmetic number, because the mean of its divisors is an integer number (1435420).

2^2870839 is an apocalyptic number.

2870839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2870839 is an equidigital number, since it uses as much as digits as its factorization.

2870839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2870839 is about 1694.3550395357. The cubic root of 2870839 is about 142.1247168540.

The spelling of 2870839 in words is "two million, eight hundred seventy thousand, eight hundred thirty-nine".