3680642 has 32 divisors (see below), whose sum is σ = 6756480. Its totient is φ = 1468800.

The previous prime is 3680639. The next prime is 3680647. The reversal of 3680642 is 2460863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26798 + ... + 26934.

It is an arithmetic number, because the mean of its divisors is an integer number (211140).

Almost surely, 2^3680642 is an apocalyptic number.

It is a pronic number, being equal to 1918×1919.

3680642 is a deficient number, since it is larger than the sum of its proper divisors (3075838).

3680642 is a wasteful number, since it uses less digits than its factorization.

3680642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3680642 is about 1918.4999348449. The cubic root of 3680642 is about 154.3978301126.

The spelling of 3680642 in words is "three million, six hundred eighty thousand, six hundred forty-two".