2381959 has 4 divisors (see below), whose sum is σ = 2392416. Its totient is φ = 2371504.

The previous prime is 2381957. The next prime is 2381963. The reversal of 2381959 is 9591832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2381959 - 2¹ = 2381957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381957) 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, 4879 + ... + 5344.

It is an arithmetic number, because the mean of its divisors is an integer number (598104).

2^2381959 is an apocalyptic number.

2381959 is a deficient number, since it is larger than the sum of its proper divisors (10457).

2381959 is a wasteful number, since it uses less digits than its factorization.

2381959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10456.

The product of its digits is 19440, while the sum is 37.

The square root of 2381959 is about 1543.3596470039. The cubic root of 2381959 is about 133.5502669959.

It can be divided in two parts, 238 and 1959, that added together give a cube (2197 = 13³).

The spelling of 2381959 in words is "two million, three hundred eighty-one thousand, nine hundred fifty-nine".