631196238 has 8 divisors (see below), whose sum is σ = 1262392488. Its totient is φ = 210398744.

The previous prime is 631196233. The next prime is 631196249. The reversal of 631196238 is 832691136.

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

631196238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 631196196 and 631196205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631196233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52599681 + ... + 52599692.

It is an arithmetic number, because the mean of its divisors is an integer number (157799061).

Almost surely, 2^631196238 is an apocalyptic number.

631196238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631196238 is a wasteful number, since it uses less digits than its factorization.

631196238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105199378.

The product of its digits is 46656, while the sum is 39.

The square root of 631196238 is about 25123.6191262326. The cubic root of 631196238 is about 857.8041320765.

The spelling of 631196238 in words is "six hundred thirty-one million, one hundred ninety-six thousand, two hundred thirty-eight".