2813388238 has 8 divisors (see below), whose sum is σ = 4221284760. Its totient is φ = 1406293320.

The previous prime is 2813388199. The next prime is 2813388239. The reversal of 2813388238 is 8328833182.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813388239) 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, 191548 + ... + 205711.

It is an arithmetic number, because the mean of its divisors is an integer number (527660595).

Almost surely, 2^2813388238 is an apocalyptic number.

2813388238 is a deficient number, since it is larger than the sum of its proper divisors (1407896522).

2813388238 is a wasteful number, since it uses less digits than its factorization.

2813388238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400802.

The product of its digits is 442368, while the sum is 46.

The square root of 2813388238 is about 53041.3823160747. The cubic root of 2813388238 is about 1411.7026257184.

The spelling of 2813388238 in words is "two billion, eight hundred thirteen million, three hundred eighty-eight thousand, two hundred thirty-eight".