2870439 has 16 divisors (see below), whose sum is σ = 4497024. Its totient is φ = 1605600.

The previous prime is 2870437. The next prime is 2870443. The reversal of 2870439 is 9340782.

It is not a de Polignac number, because 2870439 - 2¹ = 2870437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2917 + ... + 3774.

It is an arithmetic number, because the mean of its divisors is an integer number (281064).

2^2870439 is an apocalyptic number.

2870439 is a deficient number, since it is larger than the sum of its proper divisors (1626585).

2870439 is a wasteful number, since it uses less digits than its factorization.

2870439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2870439 is about 1694.2369964087. The cubic root of 2870439 is about 142.1181157027.

Adding to 2870439 its reverse (9340782), we get a palindrome (12211221).

The spelling of 2870439 in words is "two million, eight hundred seventy thousand, four hundred thirty-nine".