2438661 has 8 divisors (see below), whose sum is σ = 3266784. Its totient is φ = 1618160.

The previous prime is 2438629. The next prime is 2438671. The reversal of 2438661 is 1668342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2438661 - 2⁵ = 2438629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110 + ... + 2471.

It is an arithmetic number, because the mean of its divisors is an integer number (408348).

2^2438661 is an apocalyptic number.

It is an amenable number.

2438661 is a deficient number, since it is larger than the sum of its proper divisors (828123).

2438661 is a wasteful number, since it uses less digits than its factorization.

2438661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811.

The product of its digits is 6912, while the sum is 30.

The square root of 2438661 is about 1561.6212729084. The cubic root of 2438661 is about 134.6016791238.

The spelling of 2438661 in words is "two million, four hundred thirty-eight thousand, six hundred sixty-one".