3629643 has 8 divisors (see below), whose sum is σ = 4889808. Its totient is φ = 2394624.

The previous prime is 3629629. The next prime is 3629657. The reversal of 3629643 is 3469263.

It is an interprime number because it is at equal distance from previous prime (3629629) and next prime (3629657).

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

It is a de Polignac number, because none of the positive numbers 2^k-3629643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3629623) 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, 5946 + ... + 6527.

It is an arithmetic number, because the mean of its divisors is an integer number (611226).

Almost surely, 2^3629643 is an apocalyptic number.

3629643 is a deficient number, since it is larger than the sum of its proper divisors (1260165).

3629643 is a wasteful number, since it uses less digits than its factorization.

3629643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12573.

The product of its digits is 23328, while the sum is 33.

The square root of 3629643 is about 1905.1621978194. The cubic root of 3629643 is about 153.6813984388.

The spelling of 3629643 in words is "three million, six hundred twenty-nine thousand, six hundred forty-three".