4306138 has 4 divisors (see below), whose sum is σ = 6459210. Its totient is φ = 2153068.

The previous prime is 4306109. The next prime is 4306139. The reversal of 4306138 is 8316034.

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., 2518569 + 1787569 = 1587^2 + 1337^2 .

It is not an unprimeable number, because it can be changed into a prime (4306139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076533 + ... + 1076536.

Almost surely, 2^4306138 is an apocalyptic number.

4306138 is a deficient number, since it is larger than the sum of its proper divisors (2153072).

4306138 is a wasteful number, since it uses less digits than its factorization.

4306138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153071.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4306138 is about 2075.1236107760. The cubic root of 4306138 is about 162.6906700745.

It can be divided in two parts, 4306 and 138, that added together give a palindrome (4444).

The spelling of 4306138 in words is "four million, three hundred six thousand, one hundred thirty-eight".