2872438238 has 8 divisors (see below), whose sum is σ = 4447646400. Its totient is φ = 1389889440.

The previous prime is 2872438199. The next prime is 2872438301. The reversal of 2872438238 is 8328342782.

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

It is a super-2 number, since 2×2872438238² = 16501802862249089288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2872438192 and 2872438201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23164763 + ... + 23164886.

It is an arithmetic number, because the mean of its divisors is an integer number (555955800).

Almost surely, 2^2872438238 is an apocalyptic number.

2872438238 is a deficient number, since it is larger than the sum of its proper divisors (1575208162).

2872438238 is a wasteful number, since it uses less digits than its factorization.

2872438238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46329682.

The product of its digits is 1032192, while the sum is 47.

The square root of 2872438238 is about 53595.1325961603. The cubic root of 2872438238 is about 1421.5110275903.

The spelling of 2872438238 in words is "two billion, eight hundred seventy-two million, four hundred thirty-eight thousand, two hundred thirty-eight".