3630658 has 12 divisors (see below), whose sum is σ = 5630310. Its totient is φ = 1755840.

The previous prime is 3630643. The next prime is 3630667. The reversal of 3630658 is 8560363.

3630658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3122289 + 508369 = 1767^2 + 713^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 978 + ... + 2866.

Almost surely, 2^3630658 is an apocalyptic number.

3630658 is a deficient number, since it is larger than the sum of its proper divisors (1999652).

3630658 is a wasteful number, since it uses less digits than its factorization.

3630658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3630658 is about 1905.4285607180. The cubic root of 3630658 is about 153.6957223528.

The spelling of 3630658 in words is "three million, six hundred thirty thousand, six hundred fifty-eight".