7893238 has 8 divisors (see below), whose sum is σ = 12128760. Its totient is φ = 3850320.

The previous prime is 7893211. The next prime is 7893269. The reversal of 7893238 is 8323987.

It is a happy number.

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

It is a super-2 number, since 2×7893238² = 124606412249288, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7893238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48048 + ... + 48211.

It is an arithmetic number, because the mean of its divisors is an integer number (1516095).

Almost surely, 2^7893238 is an apocalyptic number.

7893238 is a deficient number, since it is larger than the sum of its proper divisors (4235522).

7893238 is a wasteful number, since it uses less digits than its factorization.

7893238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96302.

The product of its digits is 72576, while the sum is 40.

The square root of 7893238 is about 2809.4907011770. The cubic root of 7893238 is about 199.1063293785.

The spelling of 7893238 in words is "seven million, eight hundred ninety-three thousand, two hundred thirty-eight".