1331888 has 10 divisors (see below), whose sum is σ = 2580564. Its totient is φ = 665936.

The previous prime is 1331857. The next prime is 1331921. The reversal of 1331888 is 8881331.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41606 + ... + 41637.

2^1331888 is an apocalyptic number.

It is an amenable number.

1331888 is a deficient number, since it is larger than the sum of its proper divisors (1248676).

1331888 is an equidigital number, since it uses as much as digits as its factorization.

1331888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83251 (or 83245 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 1331888 is about 1154.0745209907. The cubic root of 1331888 is about 110.0244573717.

The spelling of 1331888 in words is "one million, three hundred thirty-one thousand, eight hundred eighty-eight".