4626138 has 32 divisors (see below), whose sum is σ = 10445760. Its totient is φ = 1352960.

The previous prime is 4626137. The next prime is 4626157. The reversal of 4626138 is 8316264.

It is not an unprimeable number, because it can be changed into a prime (4626133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706 + ... + 3122.

It is an arithmetic number, because the mean of its divisors is an integer number (326430).

Almost surely, 2^4626138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4626138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5222880).

4626138 is an abundant number, since it is smaller than the sum of its proper divisors (5819622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4626138 is a wasteful number, since it uses less digits than its factorization.

4626138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its digits is 6912, while the sum is 30.

The square root of 4626138 is about 2150.8458801132. The cubic root of 4626138 is about 166.6247565733.

The spelling of 4626138 in words is "four million, six hundred twenty-six thousand, one hundred thirty-eight".