2839420 has 12 divisors (see below), whose sum is σ = 5962824. Its totient is φ = 1135760.

The previous prime is 2839409. The next prime is 2839429. The reversal of 2839420 is 249382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839429) 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 3 ways as a sum of consecutive naturals, for example, 70966 + ... + 71005.

It is an arithmetic number, because the mean of its divisors is an integer number (496902).

2^2839420 is an apocalyptic number.

2839420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2839420 is an abundant number, since it is smaller than the sum of its proper divisors (3123404).

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

2839420 is a wasteful number, since it uses less digits than its factorization.

2839420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141980 (or 141978 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2839420 is about 1685.0578625080. The cubic root of 2839420 is about 141.6043339774.

The spelling of 2839420 in words is "two million, eight hundred thirty-nine thousand, four hundred twenty".