2368661 has 4 divisors (see below), whose sum is σ = 2508012. Its totient is φ = 2229312.

The previous prime is 2368649. The next prime is 2368727. The reversal of 2368661 is 1668632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 988036 + 1380625 = 994^2 + 1175^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2368661 is a prime.

It is a super-2 number, since 2×2368661² = 11221109865842, 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 (2368601) 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, 69650 + ... + 69683.

It is an arithmetic number, because the mean of its divisors is an integer number (627003).

2^2368661 is an apocalyptic number.

It is an amenable number.

2368661 is a deficient number, since it is larger than the sum of its proper divisors (139351).

2368661 is a wasteful number, since it uses less digits than its factorization.

2368661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139350.

The product of its digits is 10368, while the sum is 32.

The square root of 2368661 is about 1539.0454834085. The cubic root of 2368661 is about 133.3012749314.

The spelling of 2368661 in words is "two million, three hundred sixty-eight thousand, six hundred sixty-one".