2331388 has 12 divisors (see below), whose sum is σ = 4167072. Its totient is φ = 1140800.

The previous prime is 2331379. The next prime is 2331391. The reversal of 2331388 is 8831332.

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, 6013 + ... + 6388.

It is an arithmetic number, because the mean of its divisors is an integer number (347256).

2^2331388 is an apocalyptic number.

It is an amenable number.

2331388 is a deficient number, since it is larger than the sum of its proper divisors (1835684).

2331388 is a wasteful number, since it uses less digits than its factorization.

2331388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12452 (or 12450 counting only the distinct ones).

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

The square root of 2331388 is about 1526.8883390739. Note that the first 3 decimals coincide. The cubic root of 2331388 is about 132.5983700500.

The spelling of 2331388 in words is "two million, three hundred thirty-one thousand, three hundred eighty-eight".