1863484 has 12 divisors (see below), whose sum is σ = 3727024. Its totient is φ = 798624.

The previous prime is 1863481. The next prime is 1863493. The reversal of 1863484 is 4843681.

1863484 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1863481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33249 + ... + 33304.

2^1863484 is an apocalyptic number.

1863484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1863484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1863484 is a wasteful number, since it uses less digits than its factorization.

1863484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66564 (or 66562 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 1863484 is about 1365.0948684982. The cubic root of 1863484 is about 123.0576326738.

The spelling of 1863484 in words is "one million, eight hundred sixty-three thousand, four hundred eighty-four".