1984930 has 32 divisors (see below), whose sum is σ = 3893760. Its totient is φ = 725760.

The previous prime is 1984921. The next prime is 1984979. The reversal of 1984930 is 394891.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5722 + ... + 6058.

It is an arithmetic number, because the mean of its divisors is an integer number (121680).

2^1984930 is an apocalyptic number.

1984930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1984930 is a deficient number, since it is larger than the sum of its proper divisors (1908830).

1984930 is a wasteful number, since it uses less digits than its factorization.

1984930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1984930 is about 1408.8754380711. The cubic root of 1984930 is about 125.6748566578.

The spelling of 1984930 in words is "one million, nine hundred eighty-four thousand, nine hundred thirty".