3654646 has 16 divisors (see below), whose sum is σ = 5619744. Its totient is φ = 1782144.

The previous prime is 3654641. The next prime is 3654647. The reversal of 3654646 is 6464563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23200 + ... + 23356.

It is an arithmetic number, because the mean of its divisors is an integer number (351234).

Almost surely, 2^3654646 is an apocalyptic number.

3654646 is a deficient number, since it is larger than the sum of its proper divisors (1965098).

3654646 is a wasteful number, since it uses less digits than its factorization.

3654646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its digits is 51840, while the sum is 34.

The square root of 3654646 is about 1911.7128445454. The cubic root of 3654646 is about 154.0334722317.

The spelling of 3654646 in words is "three million, six hundred fifty-four thousand, six hundred forty-six".