1984120 has 16 divisors (see below), whose sum is σ = 4464360. Its totient is φ = 793632.

The previous prime is 1984117. The next prime is 1984123. The reversal of 1984120 is 214891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1984117) and next prime (1984123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24762 + ... + 24841.

2^1984120 is an apocalyptic number.

1984120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1984120 is an abundant number, since it is smaller than the sum of its proper divisors (2480240).

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

1984120 is a wasteful number, since it uses less digits than its factorization.

1984120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49614 (or 49610 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1984120 is about 1408.5879454262. The cubic root of 1984120 is about 125.6577594161.

The spelling of 1984120 in words is "one million, nine hundred eighty-four thousand, one hundred twenty".