2666234 has 4 divisors (see below), whose sum is σ = 3999354. Its totient is φ = 1333116.

The previous prime is 2666227. The next prime is 2666267. The reversal of 2666234 is 4326662.

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., 2111209 + 555025 = 1453^2 + 745^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2666197 and 2666206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666557 + ... + 666560.

2^2666234 is an apocalyptic number.

2666234 is a deficient number, since it is larger than the sum of its proper divisors (1333120).

2666234 is a wasteful number, since it uses less digits than its factorization.

2666234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333119.

The product of its digits is 10368, while the sum is 29.

The square root of 2666234 is about 1632.8606799112. The cubic root of 2666234 is about 138.6647546067.

The spelling of 2666234 in words is "two million, six hundred sixty-six thousand, two hundred thirty-four".