3648266 has 24 divisors (see below), whose sum is σ = 5998464. Its totient is φ = 1662120.

The previous prime is 3648263. The next prime is 3648269. The reversal of 3648266 is 6628463.

It is an interprime number because it is at equal distance from previous prime (3648263) and next prime (3648269).

It is not an unprimeable number, because it can be changed into a prime (3648263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22301 + ... + 22463.

It is an arithmetic number, because the mean of its divisors is an integer number (249936).

Almost surely, 2^3648266 is an apocalyptic number.

3648266 is a deficient number, since it is larger than the sum of its proper divisors (2350198).

3648266 is a wasteful number, since it uses less digits than its factorization.

3648266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 215 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 3648266 is about 1910.0434550031. The cubic root of 3648266 is about 153.9437867585.

The spelling of 3648266 in words is "three million, six hundred forty-eight thousand, two hundred sixty-six".