2801388 has 24 divisors (see below), whose sum is σ = 6676992. Its totient is φ = 913744.

The previous prime is 2801369. The next prime is 2801401. The reversal of 2801388 is 8831082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920 + ... + 3047.

It is an arithmetic number, because the mean of its divisors is an integer number (278208).

2^2801388 is an apocalyptic number.

It is an amenable number.

2801388 is an abundant number, since it is smaller than the sum of its proper divisors (3875604).

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

2801388 is a wasteful number, since it uses less digits than its factorization.

2801388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021 (or 5019 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 2801388 is about 1673.7347460097. The cubic root of 2801388 is about 140.9692604384.

The spelling of 2801388 in words is "two million, eight hundred one thousand, three hundred eighty-eight".