2887434 has 32 divisors (see below), whose sum is σ = 7001280. Its totient is φ = 874800.

The previous prime is 2887363. The next prime is 2887439. The reversal of 2887434 is 4347882.

It is not an unprimeable number, because it can be changed into a prime (2887439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837 + ... + 3024.

It is an arithmetic number, because the mean of its divisors is an integer number (218790).

2^2887434 is an apocalyptic number.

2887434 is an abundant number, since it is smaller than the sum of its proper divisors (4113846).

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

2887434 is a wasteful number, since it uses less digits than its factorization.

2887434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883 (or 4877 counting only the distinct ones).

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

The square root of 2887434 is about 1699.2451265194. The cubic root of 2887434 is about 142.3980434125.

It can be divided in two parts, 2887 and 434, that added together give a triangular number (3321 = T₈₁).

The spelling of 2887434 in words is "two million, eight hundred eighty-seven thousand, four hundred thirty-four".