4918438 has 16 divisors (see below), whose sum is σ = 8508960. Its totient is φ = 2088576.

The previous prime is 4918427. The next prime is 4918439. The reversal of 4918438 is 8348194.

It is a junction number, because it is equal to n+sod(n) for n = 4918397 and 4918406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4918439) 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, 28 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (531810).

Almost surely, 2^4918438 is an apocalyptic number.

4918438 is a deficient number, since it is larger than the sum of its proper divisors (3590522).

4918438 is a wasteful number, since it uses less digits than its factorization.

4918438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231.

The product of its digits is 27648, while the sum is 37.

The square root of 4918438 is about 2217.7551713388. The cubic root of 4918438 is about 170.0626989027.

It can be divided in two parts, 4918 and 438, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 4918438 in words is "four million, nine hundred eighteen thousand, four hundred thirty-eight".