2381679 has 6 divisors (see below), whose sum is σ = 3440216. Its totient is φ = 1587780.

The previous prime is 2381677. The next prime is 2381689. The reversal of 2381679 is 9761832.

It is not a de Polignac number, because 2381679 - 2¹ = 2381677 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132307 + ... + 132324.

2^2381679 is an apocalyptic number.

2381679 is a deficient number, since it is larger than the sum of its proper divisors (1058537).

2381679 is a wasteful number, since it uses less digits than its factorization.

2381679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264637 (or 264634 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2381679 is about 1543.2689331416. The cubic root of 2381679 is about 133.5450338327.

The spelling of 2381679 in words is "two million, three hundred eighty-one thousand, six hundred seventy-nine".