5393818 has 4 divisors (see below), whose sum is σ = 8090730. Its totient is φ = 2696908.

The previous prime is 5393813. The next prime is 5393819. The reversal of 5393818 is 8183935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8183935 = 5 ⋅1636787.

It can be written as a sum of positive squares in only one way, i.e., 4826809 + 567009 = 2197^2 + 753^2 .

It is not an unprimeable number, because it can be changed into a prime (5393813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348453 + ... + 1348456.

Almost surely, 2^5393818 is an apocalyptic number.

5393818 is a deficient number, since it is larger than the sum of its proper divisors (2696912).

5393818 is a wasteful number, since it uses less digits than its factorization.

5393818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696911.

The product of its digits is 25920, while the sum is 37.

The square root of 5393818 is about 2322.4594721975. The cubic root of 5393818 is about 175.3740895519.

It can be divided in two parts, 53938 and 18, that added together give a triangular number (53956 = T₃₂₈).

The spelling of 5393818 in words is "five million, three hundred ninety-three thousand, eight hundred eighteen".