4739138 has 4 divisors (see below), whose sum is σ = 7108710. Its totient is φ = 2369568.

The previous prime is 4739117. The next prime is 4739143. The reversal of 4739138 is 8319374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4592449 + 146689 = 2143^2 + 383^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4739098 and 4739107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1184783 + ... + 1184786.

Almost surely, 2^4739138 is an apocalyptic number.

4739138 is a deficient number, since it is larger than the sum of its proper divisors (2369572).

4739138 is a wasteful number, since it uses less digits than its factorization.

4739138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369571.

The product of its digits is 18144, while the sum is 35.

The square root of 4739138 is about 2176.9561318502. The cubic root of 4739138 is about 167.9705399968.

The spelling of 4739138 in words is "four million, seven hundred thirty-nine thousand, one hundred thirty-eight".