3634849 has 4 divisors (see below), whose sum is σ = 3675780. Its totient is φ = 3593920.

The previous prime is 3634811. The next prime is 3634859. The reversal of 3634849 is 9484363.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2117025 + 1517824 = 1455^2 + 1232^2 .

It is a cyclic number.

It is not a de Polignac number, because 3634849 - 2¹³ = 3626657 is a prime.

It is a Duffinian number.

3634849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3634859) 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, 20332 + ... + 20509.

It is an arithmetic number, because the mean of its divisors is an integer number (918945).

Almost surely, 2^3634849 is an apocalyptic number.

It is an amenable number.

3634849 is a deficient number, since it is larger than the sum of its proper divisors (40931).

3634849 is an equidigital number, since it uses as much as digits as its factorization.

3634849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40930.

The product of its digits is 62208, while the sum is 37.

The square root of 3634849 is about 1906.5279961228. The cubic root of 3634849 is about 153.7548384579.

The spelling of 3634849 in words is "three million, six hundred thirty-four thousand, eight hundred forty-nine".