238439494 has 8 divisors (see below), whose sum is σ = 358407360. Its totient is φ = 118970376.

The previous prime is 238439489. The next prime is 238439503. The reversal of 238439494 is 494934832.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123489 + ... + 125404.

It is an arithmetic number, because the mean of its divisors is an integer number (44800920).

Almost surely, 2^238439494 is an apocalyptic number.

238439494 is a deficient number, since it is larger than the sum of its proper divisors (119967866).

238439494 is a wasteful number, since it uses less digits than its factorization.

238439494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249374.

The product of its digits is 746496, while the sum is 46.

The square root of 238439494 is about 15441.4861331415. The cubic root of 238439494 is about 620.0966672028.

The spelling of 238439494 in words is "two hundred thirty-eight million, four hundred thirty-nine thousand, four hundred ninety-four".