1984395 has 16 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 907104.

The previous prime is 1984363. The next prime is 1984397. The reversal of 1984395 is 5934891.

It is not a de Polignac number, because 1984395 - 2⁵ = 1984363 is a prime.

1984395 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1984397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9345 + ... + 9554.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

2^1984395 is an apocalyptic number.

1984395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1984395 is a deficient number, since it is larger than the sum of its proper divisors (1644405).

1984395 is a wasteful number, since it uses less digits than its factorization.

1984395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18914.

The product of its digits is 38880, while the sum is 39.

The square root of 1984395 is about 1408.6855575323. The cubic root of 1984395 is about 125.6635645568.

The spelling of 1984395 in words is "one million, nine hundred eighty-four thousand, three hundred ninety-five".