1988368 has 20 divisors (see below), whose sum is σ = 3882688. Its totient is φ = 986400.

The previous prime is 1988353. The next prime is 1988411. The reversal of 1988368 is 8638891.

It is a happy 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, 2005 + ... + 2827.

2^1988368 is an apocalyptic number.

It is an amenable number.

1988368 is a deficient number, since it is larger than the sum of its proper divisors (1894320).

1988368 is a wasteful number, since it uses less digits than its factorization.

1988368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 976 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 1988368 is about 1410.0950322585. The cubic root of 1988368 is about 125.7473732270.

The spelling of 1988368 in words is "one million, nine hundred eighty-eight thousand, three hundred sixty-eight".