3667506 has 16 divisors (see below), whose sum is σ = 7394304. Its totient is φ = 1212624.

The previous prime is 3667501. The next prime is 3667537. The reversal of 3667506 is 6057663.

It is not an unprimeable number, because it can be changed into a prime (3667501) 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, 1645 + ... + 3168.

It is an arithmetic number, because the mean of its divisors is an integer number (462144).

Almost surely, 2^3667506 is an apocalyptic number.

3667506 is an abundant number, since it is smaller than the sum of its proper divisors (3726798).

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

3667506 is a wasteful number, since it uses less digits than its factorization.

3667506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 3667506 is about 1915.0733667408. The cubic root of 3667506 is about 154.2139321677.

The spelling of 3667506 in words is "three million, six hundred sixty-seven thousand, five hundred six".