3638606 has 8 divisors (see below), whose sum is σ = 5479920. Its totient is φ = 1811968.

The previous prime is 3638573. The next prime is 3638639. The reversal of 3638606 is 6068363.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3638573) and next prime (3638639).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3026 + ... + 4053.

It is an arithmetic number, because the mean of its divisors is an integer number (684990).

Almost surely, 2^3638606 is an apocalyptic number.

3638606 is a deficient number, since it is larger than the sum of its proper divisors (1841314).

3638606 is a wasteful number, since it uses less digits than its factorization.

3638606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 3638606 is about 1907.5130405845. The cubic root of 3638606 is about 153.8077941670.

The spelling of 3638606 in words is "three million, six hundred thirty-eight thousand, six hundred six".