3630657 has 8 divisors (see below), whose sum is σ = 4868640. Its totient is φ = 2406560.

The previous prime is 3630643. The next prime is 3630667. The reversal of 3630657 is 7560363.

3630657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3630657 - 2⁶ = 3630593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3630667) 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 7 ways as a sum of consecutive naturals, for example, 2844 + ... + 3917.

It is an arithmetic number, because the mean of its divisors is an integer number (608580).

Almost surely, 2^3630657 is an apocalyptic number.

It is an amenable number.

3630657 is a deficient number, since it is larger than the sum of its proper divisors (1237983).

3630657 is a wasteful number, since it uses less digits than its factorization.

3630657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943.

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 3630657 is about 1905.4282983099. The cubic root of 3630657 is about 153.6957082418.

It can be divided in two parts, 36306 and 57, that added together give a palindrome (36363).

The spelling of 3630657 in words is "three million, six hundred thirty thousand, six hundred fifty-seven".