2847438 has 48 divisors (see below), whose sum is σ = 6857136. Its totient is φ = 846720.

The previous prime is 2847431. The next prime is 2847457. The reversal of 2847438 is 8347482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847431) 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 23 ways as a sum of consecutive naturals, for example, 14356 + ... + 14552.

It is an arithmetic number, because the mean of its divisors is an integer number (142857).

2^2847438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2847438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3428568).

2847438 is an abundant number, since it is smaller than the sum of its proper divisors (4009698).

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

2847438 is a wasteful number, since it uses less digits than its factorization.

2847438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 286 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 2847438 is about 1687.4353320942. The cubic root of 2847438 is about 141.7374969142.

The spelling of 2847438 in words is "two million, eight hundred forty-seven thousand, four hundred thirty-eight".