3629647 has 4 divisors (see below), whose sum is σ = 4148176. Its totient is φ = 3111120.

The previous prime is 3629629. The next prime is 3629657. The reversal of 3629647 is 7469263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7469263 = 569 ⋅13127.

It is a cyclic number.

It is not a de Polignac number, because 3629647 - 2⁷ = 3629519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3629657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259254 + ... + 259267.

It is an arithmetic number, because the mean of its divisors is an integer number (1037044).

Almost surely, 2^3629647 is an apocalyptic number.

3629647 is a deficient number, since it is larger than the sum of its proper divisors (518529).

3629647 is an equidigital number, since it uses as much as digits as its factorization.

3629647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518528.

The product of its digits is 54432, while the sum is 37.

The square root of 3629647 is about 1905.1632475985. The cubic root of 3629647 is about 153.6814548930.

The spelling of 3629647 in words is "three million, six hundred twenty-nine thousand, six hundred forty-seven".