2430861 has 8 divisors (see below), whose sum is σ = 3251040. Its totient is φ = 1615632.

The previous prime is 2430851. The next prime is 2430871. The reversal of 2430861 is 1680342.

It is a happy number.

2430861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2430851) and next prime (2430871).

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

It is not a de Polignac number, because 2430861 - 2⁵ = 2430829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126 + ... + 2208.

It is an arithmetic number, because the mean of its divisors is an integer number (406380).

2^2430861 is an apocalyptic number.

It is an amenable number.

2430861 is a deficient number, since it is larger than the sum of its proper divisors (820179).

2430861 is a wasteful number, since it uses less digits than its factorization.

2430861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2430861 is about 1559.1218682322. The cubic root of 2430861 is about 134.4580190793.

The spelling of 2430861 in words is "two million, four hundred thirty thousand, eight hundred sixty-one".