3634629 has 4 divisors (see below), whose sum is σ = 4846176. Its totient is φ = 2423084.

The previous prime is 3634627. The next prime is 3634637. The reversal of 3634629 is 9264363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9264363 = 3 ⋅3088121.

It is a cyclic number.

It is not a de Polignac number, because 3634629 - 2¹ = 3634627 is a prime.

It is a d-powerful number, because it can be written as 3 + 6⁸ + 3⁸ + 4⁹ + 6⁸ + 2⁷ + 9⁴ .

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3634629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3634627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605769 + ... + 605774.

It is an arithmetic number, because the mean of its divisors is an integer number (1211544).

Almost surely, 2^3634629 is an apocalyptic number.

It is an amenable number.

3634629 is a deficient number, since it is larger than the sum of its proper divisors (1211547).

3634629 is a wasteful number, since it uses less digits than its factorization.

3634629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211546.

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

The square root of 3634629 is about 1906.4702987458. The cubic root of 3634629 is about 153.7517363807.

The spelling of 3634629 in words is "three million, six hundred thirty-four thousand, six hundred twenty-nine".