4472138 has 8 divisors (see below), whose sum is σ = 7318080. Its totient is φ = 2032780.

The previous prime is 4472137. The next prime is 4472147. The reversal of 4472138 is 8312744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4472138.

It is not an unprimeable number, because it can be changed into a prime (4472131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101618 + ... + 101661.

It is an arithmetic number, because the mean of its divisors is an integer number (914760).

Almost surely, 2^4472138 is an apocalyptic number.

4472138 is a deficient number, since it is larger than the sum of its proper divisors (2845942).

4472138 is a wasteful number, since it uses less digits than its factorization.

4472138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203292.

The product of its digits is 5376, while the sum is 29.

The square root of 4472138 is about 2114.7430103916. The cubic root of 4472138 is about 164.7549223570.

Subtracting 4472138 from its reverse (8312744), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 4472138 in words is "four million, four hundred seventy-two thousand, one hundred thirty-eight".