3680506 has 32 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 1626240.

The previous prime is 3680503. The next prime is 3680507. The reversal of 3680506 is 6050863.

3680506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3680506² = 27092248832072, which contains 22 as substring.

3680506 is a modest number, since divided by 506 gives 368 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41310 + ... + 41398.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

Almost surely, 2^3680506 is an apocalyptic number.

3680506 is a deficient number, since it is larger than the sum of its proper divisors (2540294).

3680506 is a wasteful number, since it uses less digits than its factorization.

3680506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3680506 is about 1918.4644901587. The cubic root of 3680506 is about 154.3959284187.

It can be divided in two parts, 3680 and 506, that added together give a triangular number (4186 = T₉₁).

The spelling of 3680506 in words is "three million, six hundred eighty thousand, five hundred six".