2349881 has 4 divisors (see below), whose sum is σ = 2368512. Its totient is φ = 2331252.

The previous prime is 2349871. The next prime is 2349889. The reversal of 2349881 is 1889432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2349881 - 2¹⁴ = 2333497 is a prime.

It is a super-2 number, since 2×2349881² = 11043881428322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2349889) 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 3 ways as a sum of consecutive naturals, for example, 9125 + ... + 9378.

It is an arithmetic number, because the mean of its divisors is an integer number (592128).

2^2349881 is an apocalyptic number.

It is an amenable number.

2349881 is a deficient number, since it is larger than the sum of its proper divisors (18631).

2349881 is a wasteful number, since it uses less digits than its factorization.

2349881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18630.

The product of its digits is 13824, while the sum is 35.

The square root of 2349881 is about 1532.9321576639. The cubic root of 2349881 is about 132.9480453601.

The spelling of 2349881 in words is "two million, three hundred forty-nine thousand, eight hundred eighty-one".