5436218 has 4 divisors (see below), whose sum is σ = 8154330. Its totient is φ = 2718108.

The previous prime is 5436217. The next prime is 5436229. The reversal of 5436218 is 8126345.

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

It can be written as a sum of positive squares in only one way, i.e., 4481689 + 954529 = 2117^2 + 977^2 .

It is a super-2 number, since 2×5436218² = 59104932287048, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5436217) 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 as a sum of consecutive naturals, namely, 1359053 + ... + 1359056.

Almost surely, 2^5436218 is an apocalyptic number.

5436218 is a deficient number, since it is larger than the sum of its proper divisors (2718112).

5436218 is a wasteful number, since it uses less digits than its factorization.

5436218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718111.

The product of its digits is 5760, while the sum is 29.

The square root of 5436218 is about 2331.5698574137. The cubic root of 5436218 is about 175.8324205509.

The spelling of 5436218 in words is "five million, four hundred thirty-six thousand, two hundred eighteen".