2881504 has 24 divisors (see below), whose sum is σ = 5783400. Its totient is φ = 1412736.

The previous prime is 2881499. The next prime is 2881513. The reversal of 2881504 is 4051882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (240975).

2^2881504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2881504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2891700).

2881504 is an abundant number, since it is smaller than the sum of its proper divisors (2901896).

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

2881504 is a wasteful number, since it uses less digits than its factorization.

2881504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 2881504 is about 1697.4993372605. The cubic root of 2881504 is about 142.3004943860.

The spelling of 2881504 in words is "two million, eight hundred eighty-one thousand, five hundred four".