2367641 has 4 divisors (see below), whose sum is σ = 2506932. Its totient is φ = 2228352.

The previous prime is 2367619. The next prime is 2367649. The reversal of 2367641 is 1467632.

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 2190400 + 177241 = 1480^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 2367641 - 2¹⁸ = 2105497 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 3² + 6³ + 7³ + 6⁵ + 4⁹ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2367649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69620 + ... + 69653.

It is an arithmetic number, because the mean of its divisors is an integer number (626733).

2^2367641 is an apocalyptic number.

It is an amenable number.

2367641 is a deficient number, since it is larger than the sum of its proper divisors (139291).

2367641 is a wasteful number, since it uses less digits than its factorization.

2367641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139290.

The product of its digits is 6048, while the sum is 29.

The square root of 2367641 is about 1538.7140735042. The cubic root of 2367641 is about 133.2821379842.

Subtracting from 2367641 its reverse (1467632), we obtain a palindrome (900009).

The spelling of 2367641 in words is "two million, three hundred sixty-seven thousand, six hundred forty-one".