1994259 has 16 divisors (see below), whose sum is σ = 2851200. Its totient is φ = 1236096.

The previous prime is 1994227. The next prime is 1994299. The reversal of 1994259 is 9524991.

It is not a de Polignac number, because 1994259 - 2⁵ = 1994227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1994299) 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, 3067 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

2^1994259 is an apocalyptic number.

1994259 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1994259 is a deficient number, since it is larger than the sum of its proper divisors (856941).

1994259 is a wasteful number, since it uses less digits than its factorization.

1994259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its digits is 29160, while the sum is 39.

The square root of 1994259 is about 1412.1823536640. The cubic root of 1994259 is about 125.8714360098.

The spelling of 1994259 in words is "one million, nine hundred ninety-four thousand, two hundred fifty-nine".