239196638 has 8 divisors (see below), whose sum is σ = 368492232. Its totient is φ = 116365896.

The previous prime is 239196577. The next prime is 239196649. The reversal of 239196638 is 836691932.

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

It is a junction number, because it is equal to n+sod(n) for n = 239196592 and 239196601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616120 + ... + 1616267.

It is an arithmetic number, because the mean of its divisors is an integer number (46061529).

Almost surely, 2^239196638 is an apocalyptic number.

239196638 is a deficient number, since it is larger than the sum of its proper divisors (129295594).

239196638 is a wasteful number, since it uses less digits than its factorization.

239196638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232426.

The product of its digits is 419904, while the sum is 47.

The square root of 239196638 is about 15465.9832535795. The cubic root of 239196638 is about 620.7523281465.

The spelling of 239196638 in words is "two hundred thirty-nine million, one hundred ninety-six thousand, six hundred thirty-eight".