5518394 has 16 divisors (see below), whose sum is σ = 9500928. Its totient is φ = 2354832.

The previous prime is 5518351. The next prime is 5518397. The reversal of 5518394 is 4938155.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5518397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3167 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (593808).

Almost surely, 2^5518394 is an apocalyptic number.

5518394 is a deficient number, since it is larger than the sum of its proper divisors (3982534).

5518394 is a wasteful number, since it uses less digits than its factorization.

5518394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709.

The product of its digits is 21600, while the sum is 35.

The square root of 5518394 is about 2349.1262205339. The cubic root of 5518394 is about 176.7139772822.

The spelling of 5518394 in words is "five million, five hundred eighteen thousand, three hundred ninety-four".