4636666 has 4 divisors (see below), whose sum is σ = 6955002. Its totient is φ = 2318332.

The previous prime is 4636663. The next prime is 4636669. The reversal of 4636666 is 6666364.

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

It is an interprime number because it is at equal distance from previous prime (4636663) and next prime (4636669).

It can be written as a sum of positive squares in only one way, i.e., 2449225 + 2187441 = 1565^2 + 1479^2 .

It is not an unprimeable number, because it can be changed into a prime (4636661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1159165 + ... + 1159168.

Almost surely, 2^4636666 is an apocalyptic number.

4636666 is a deficient number, since it is larger than the sum of its proper divisors (2318336).

4636666 is a wasteful number, since it uses less digits than its factorization.

4636666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318335.

The product of its digits is 93312, while the sum is 37.

The square root of 4636666 is about 2153.2918984662. The cubic root of 4636666 is about 166.7510603701.

The spelling of 4636666 in words is "four million, six hundred thirty-six thousand, six hundred sixty-six".