2636066 has 4 divisors (see below), whose sum is σ = 3954102. Its totient is φ = 1318032.

The previous prime is 2636063. The next prime is 2636077. The reversal of 2636066 is 6606362.

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., 2356225 + 279841 = 1535^2 + 529^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2636063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659015 + ... + 659018.

2^2636066 is an apocalyptic number.

2636066 is a deficient number, since it is larger than the sum of its proper divisors (1318036).

2636066 is a wasteful number, since it uses less digits than its factorization.

2636066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318035.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 2636066 is about 1623.5966247809. The cubic root of 2636066 is about 138.1397799544.

The spelling of 2636066 in words is "two million, six hundred thirty-six thousand, sixty-six".