238468646 has 32 divisors (see below), whose sum is σ = 405639360. Its totient is φ = 104315904.

The previous prime is 238468627. The next prime is 238468651. The reversal of 238468646 is 646864832.

It is a self number, because there is not a number n which added to its sum of digits gives 238468646.

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, 65810 + ... + 69338.

It is an arithmetic number, because the mean of its divisors is an integer number (12676230).

Almost surely, 2^238468646 is an apocalyptic number.

238468646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

238468646 is a deficient number, since it is larger than the sum of its proper divisors (167170714).

238468646 is a wasteful number, since it uses less digits than its factorization.

238468646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680.

The product of its digits is 1327104, while the sum is 47.

The square root of 238468646 is about 15442.4300548845. The cubic root of 238468646 is about 620.1219375150.

The spelling of 238468646 in words is "two hundred thirty-eight million, four hundred sixty-eight thousand, six hundred forty-six".