1868480 has 28 divisors (see below), whose sum is σ = 4450080. Its totient is φ = 747264.

The previous prime is 1868459. The next prime is 1868483. The reversal of 1868480 is 848681.

It is a self number, because there is not a number n which added to its sum of digits gives 1868480.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600 + ... + 3239.

2^1868480 is an apocalyptic number.

1868480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1868480 is an abundant number, since it is smaller than the sum of its proper divisors (2581600).

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

1868480 is an equidigital number, since it uses as much as digits as its factorization.

1868480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856 (or 5846 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1868480 is about 1366.9235530929. The cubic root of 1868480 is about 123.1675070323.

The spelling of 1868480 in words is "one million, eight hundred sixty-eight thousand, four hundred eighty".