2326861 has 4 divisors (see below), whose sum is σ = 2330172. Its totient is φ = 2323552.

The previous prime is 2326853. The next prime is 2326871. The reversal of 2326861 is 1686232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 1974025 = 594^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 2326861 - 2³ = 2326853 is a prime.

It is a super-2 number, since 2×2326861² = 10828564226642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2326871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (582543).

2^2326861 is an apocalyptic number.

It is an amenable number.

2326861 is a deficient number, since it is larger than the sum of its proper divisors (3311).

2326861 is a wasteful number, since it uses less digits than its factorization.

2326861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310.

The product of its digits is 3456, while the sum is 28.

The square root of 2326861 is about 1525.4051920719. The cubic root of 2326861 is about 132.5124896260.

The spelling of 2326861 in words is "two million, three hundred twenty-six thousand, eight hundred sixty-one".