1868488 has 16 divisors (see below), whose sum is σ = 3519360. Its totient is φ = 930000.

The previous prime is 1868483. The next prime is 1868501. The reversal of 1868488 is 8848681.

It is a super-2 number, since 2×1868488² = 6982494812288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (219960).

2^1868488 is an apocalyptic number.

It is an amenable number.

1868488 is a deficient number, since it is larger than the sum of its proper divisors (1650872).

1868488 is a wasteful number, since it uses less digits than its factorization.

1868488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1064 counting only the distinct ones).

The product of its digits is 98304, while the sum is 43.

The square root of 1868488 is about 1366.9264793690. The cubic root of 1868488 is about 123.1676828149.

The spelling of 1868488 in words is "one million, eight hundred sixty-eight thousand, four hundred eighty-eight".