2436881 has 4 divisors (see below), whose sum is σ = 2445492. Its totient is φ = 2428272.

The previous prime is 2436859. The next prime is 2436893. The reversal of 2436881 is 1886342.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2356225 + 80656 = 1535^2 + 284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2436881 is a prime.

It is a super-2 number, since 2×2436881² = 11876778016322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2438881) 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, 3866 + ... + 4451.

It is an arithmetic number, because the mean of its divisors is an integer number (611373).

2^2436881 is an apocalyptic number.

It is an amenable number.

2436881 is a deficient number, since it is larger than the sum of its proper divisors (8611).

2436881 is an equidigital number, since it uses as much as digits as its factorization.

2436881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610.

The product of its digits is 9216, while the sum is 32.

The square root of 2436881 is about 1561.0512483580. The cubic root of 2436881 is about 134.5689221715.

The spelling of 2436881 in words is "two million, four hundred thirty-six thousand, eight hundred eighty-one".