1984130 has 8 divisors (see below), whose sum is σ = 3571452. Its totient is φ = 793648.

The previous prime is 1984123. The next prime is 1984133. The reversal of 1984130 is 314891.

It can be written as a sum of positive squares in 2 ways, for example, as 1940449 + 43681 = 1393^2 + 209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1984130.

It is not an unprimeable number, because it can be changed into a prime (1984133) 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, 99197 + ... + 99216.

2^1984130 is an apocalyptic number.

1984130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1984130 is a deficient number, since it is larger than the sum of its proper divisors (1587322).

1984130 is a wasteful number, since it uses less digits than its factorization.

1984130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198420.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1984130 is about 1408.5914950758. The cubic root of 1984130 is about 125.6579705215.

The spelling of 1984130 in words is "one million, nine hundred eighty-four thousand, one hundred thirty".