2359861 has 8 divisors (see below), whose sum is σ = 2706624. Its totient is φ = 2015520.

The previous prime is 2359849. The next prime is 2359873. The reversal of 2359861 is 1689532.

It is an interprime number because it is at equal distance from previous prime (2359849) and next prime (2359873).

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 2359861 - 2⁵ = 2359829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2359801) 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 7 ways as a sum of consecutive naturals, for example, 2721 + ... + 3481.

It is an arithmetic number, because the mean of its divisors is an integer number (338328).

2^2359861 is an apocalyptic number.

It is an amenable number.

2359861 is a deficient number, since it is larger than the sum of its proper divisors (346763).

2359861 is an equidigital number, since it uses as much as digits as its factorization.

2359861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its digits is 12960, while the sum is 34.

The square root of 2359861 is about 1536.1839082610. The cubic root of 2359861 is about 133.1359907021.

The spelling of 2359861 in words is "two million, three hundred fifty-nine thousand, eight hundred sixty-one".