3637243 has 4 divisors (see below), whose sum is σ = 3795408. Its totient is φ = 3479080.

The previous prime is 3637223. The next prime is 3637273. The reversal of 3637243 is 3427363.

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 3637243 - 2¹³ = 3629051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3637223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79048 + ... + 79093.

It is an arithmetic number, because the mean of its divisors is an integer number (948852).

Almost surely, 2^3637243 is an apocalyptic number.

3637243 is a deficient number, since it is larger than the sum of its proper divisors (158165).

3637243 is a wasteful number, since it uses less digits than its factorization.

3637243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158164.

The product of its digits is 9072, while the sum is 28.

The square root of 3637243 is about 1907.1557356441. The cubic root of 3637243 is about 153.7885866092.

The spelling of 3637243 in words is "three million, six hundred thirty-seven thousand, two hundred forty-three".