2839956 has 24 divisors (see below), whose sum is σ = 7573440. Its totient is φ = 811392.

The previous prime is 2839951. The next prime is 2839957. The reversal of 2839956 is 6599382.

2839956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16821 + ... + 16988.

It is an arithmetic number, because the mean of its divisors is an integer number (315560).

2^2839956 is an apocalyptic number.

It is an amenable number.

2839956 is an abundant number, since it is smaller than the sum of its proper divisors (4733484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2839956 is a wasteful number, since it uses less digits than its factorization.

2839956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33823 (or 33821 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 2839956 is about 1685.2168999865. The cubic root of 2839956 is about 141.6132436781.

The spelling of 2839956 in words is "two million, eight hundred thirty-nine thousand, nine hundred fifty-six".