3634423 has 4 divisors (see below), whose sum is σ = 3914008. Its totient is φ = 3354840.

The previous prime is 3634417. The next prime is 3634439. The reversal of 3634423 is 3244363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3244363 = 47 ⋅69029.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3634423 is a prime.

It is a d-powerful number, because it can be written as 3² + 6⁸ + 3³ + 4⁸ + 4⁹ + 2¹⁵ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3634123) 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, 139773 + ... + 139798.

It is an arithmetic number, because the mean of its divisors is an integer number (978502).

Almost surely, 2^3634423 is an apocalyptic number.

3634423 is a deficient number, since it is larger than the sum of its proper divisors (279585).

3634423 is a wasteful number, since it uses less digits than its factorization.

3634423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279584.

The product of its digits is 5184, while the sum is 25.

The square root of 3634423 is about 1906.4162714371. The cubic root of 3634423 is about 153.7488315949.

Adding to 3634423 its reverse (3244363), we get a palindrome (6878786).

The spelling of 3634423 in words is "three million, six hundred thirty-four thousand, four hundred twenty-three".