4493138 has 16 divisors (see below), whose sum is σ = 7379736. Its totient is φ = 2039040.

The previous prime is 4493129. The next prime is 4493147. The reversal of 4493138 is 8313944.

It is an interprime number because it is at equal distance from previous prime (4493129) and next prime (4493147).

It can be written as a sum of positive squares in 4 ways, for example, as 1545049 + 2948089 = 1243^2 + 1717^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170 + ... + 3002.

Almost surely, 2^4493138 is an apocalyptic number.

4493138 is a deficient number, since it is larger than the sum of its proper divisors (2886598).

4493138 is a wasteful number, since it uses less digits than its factorization.

4493138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909.

The product of its digits is 10368, while the sum is 32.

The square root of 4493138 is about 2119.7023375937. The cubic root of 4493138 is about 165.0124018839.

The spelling of 4493138 in words is "four million, four hundred ninety-three thousand, one hundred thirty-eight".