1984495 has 16 divisors (see below), whose sum is σ = 2593728. Its totient is φ = 1451520.

The previous prime is 1984471. The next prime is 1984511. The reversal of 1984495 is 5944891.

It is not a de Polignac number, because 1984495 - 2¹¹ = 1982447 is a prime.

It is an Ulam number.

It is a Duffinian 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, 2830 + ... + 3460.

It is an arithmetic number, because the mean of its divisors is an integer number (162108).

2^1984495 is an apocalyptic number.

1984495 is a deficient number, since it is larger than the sum of its proper divisors (609233).

1984495 is a wasteful number, since it uses less digits than its factorization.

1984495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its digits is 51840, while the sum is 40.

The square root of 1984495 is about 1408.7210511666. The cubic root of 1984495 is about 125.6656753841.

The spelling of 1984495 in words is "one million, nine hundred eighty-four thousand, four hundred ninety-five".