3634543 has 4 divisors (see below), whose sum is σ = 3964968. Its totient is φ = 3304120.

The previous prime is 3634531. The next prime is 3634559. The reversal of 3634543 is 3454363.

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 3634543 - 2⁵ = 3634511 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3634543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3634513) 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, 165196 + ... + 165217.

It is an arithmetic number, because the mean of its divisors is an integer number (991242).

Almost surely, 2^3634543 is an apocalyptic number.

3634543 is a deficient number, since it is larger than the sum of its proper divisors (330425).

3634543 is a wasteful number, since it uses less digits than its factorization.

3634543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330424.

The product of its digits is 12960, while the sum is 28.

The square root of 3634543 is about 1906.4477438419. The cubic root of 3634543 is about 153.7505237165.

The spelling of 3634543 in words is "three million, six hundred thirty-four thousand, five hundred forty-three".