2408861 has 16 divisors (see below), whose sum is σ = 3005184. Its totient is φ = 1880064.

The previous prime is 2408843. The next prime is 2408863. The reversal of 2408861 is 1688042.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2408861 is a prime.

It is a super-2 number, since 2×2408861² = 11605222634642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2408863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9245 + ... + 9501.

It is an arithmetic number, because the mean of its divisors is an integer number (187824).

2^2408861 is an apocalyptic number.

It is an amenable number.

2408861 is a deficient number, since it is larger than the sum of its proper divisors (596323).

2408861 is a wasteful number, since it uses less digits than its factorization.

2408861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 2408861 is about 1552.0505790727. The cubic root of 2408861 is about 134.0511611281.

The spelling of 2408861 in words is "two million, four hundred eight thousand, eight hundred sixty-one".