7865238 has 32 divisors (see below), whose sum is σ = 16416000. Its totient is φ = 2509920.

The previous prime is 7865171. The next prime is 7865257. The reversal of 7865238 is 8325687.

It is a junction number, because it is equal to n+sod(n) for n = 7865196 and 7865205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15513 + ... + 16011.

It is an arithmetic number, because the mean of its divisors is an integer number (513000).

Almost surely, 2^7865238 is an apocalyptic number.

7865238 is an abundant number, since it is smaller than the sum of its proper divisors (8550762).

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

7865238 is a wasteful number, since it uses less digits than its factorization.

7865238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 80640, while the sum is 39.

The square root of 7865238 is about 2804.5031645552. The cubic root of 7865238 is about 198.8706178172.

The spelling of 7865238 in words is "seven million, eight hundred sixty-five thousand, two hundred thirty-eight".