3634427 has 4 divisors (see below), whose sum is σ = 3644160. Its totient is φ = 3624696.

The previous prime is 3634417. The next prime is 3634439. The reversal of 3634427 is 7244363.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3634427 - 2⁸ = 3634171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3634427.

It is not an unprimeable number, because it can be changed into a prime (3634417) 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, 4283 + ... + 5060.

It is an arithmetic number, because the mean of its divisors is an integer number (911040).

Almost surely, 2^3634427 is an apocalyptic number.

3634427 is a deficient number, since it is larger than the sum of its proper divisors (9733).

3634427 is an equidigital number, since it uses as much as digits as its factorization.

3634427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9732.

The product of its digits is 12096, while the sum is 29.

The square root of 3634427 is about 1906.4173205256. The cubic root of 3634427 is about 153.7488879995.

The spelling of 3634427 in words is "three million, six hundred thirty-four thousand, four hundred twenty-seven".