2366666 has 4 divisors (see below), whose sum is σ = 3550002. Its totient is φ = 1183332.

The previous prime is 2366657. The next prime is 2366669. The reversal of 2366666 is 6666632.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1274641 + 1092025 = 1129^2 + 1045^2 .

It is a super-2 number, since 2×2366666² = 11202215911112, which contains 22 as substring.

2366666 is a modest number, since divided by 6666 gives 236 as remainder.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2366669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591665 + ... + 591668.

2^2366666 is an apocalyptic number.

2366666 is a deficient number, since it is larger than the sum of its proper divisors (1183336).

2366666 is a wasteful number, since it uses less digits than its factorization.

2366666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183335.

The product of its digits is 46656, while the sum is 35.

The square root of 2366666 is about 1538.3972178862. The cubic root of 2366666 is about 133.2638401754.

It can be divided in two parts, 23666 and 66, that added together give a palindrome (23732).

The spelling of 2366666 in words is "two million, three hundred sixty-six thousand, six hundred sixty-six".