3336640 has 28 divisors (see below), whose sum is σ = 7946136. Its totient is φ = 1334528.

The previous prime is 3336629. The next prime is 3336643. The reversal of 3336640 is 466333.

It is a super-2 number, since 2×3336640² = 22266332979200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3336643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4894 + ... + 5533.

Almost surely, 2^3336640 is an apocalyptic number.

It is an amenable number.

3336640 is an abundant number, since it is smaller than the sum of its proper divisors (4609496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3336640 is a wasteful number, since it uses less digits than its factorization.

3336640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10444 (or 10434 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 3336640 is about 1826.6472018428. The cubic root of 3336640 is about 149.4295369333.

The spelling of 3336640 in words is "three million, three hundred thirty-six thousand, six hundred forty".