824040238 has 8 divisors (see below), whose sum is σ = 1412640432. Its totient is φ = 353160096.

The previous prime is 824040227. The next prime is 824040247. The reversal of 824040238 is 832040428.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29429995 + ... + 29430022.

It is an arithmetic number, because the mean of its divisors is an integer number (176580054).

Almost surely, 2^824040238 is an apocalyptic number.

824040238 is a deficient number, since it is larger than the sum of its proper divisors (588600194).

824040238 is a wasteful number, since it uses less digits than its factorization.

824040238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58860026.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 824040238 is about 28706.1010588342. The cubic root of 824040238 is about 937.5248896029.

The spelling of 824040238 in words is "eight hundred twenty-four million, forty thousand, two hundred thirty-eight".