232638369 has 8 divisors (see below), whose sum is σ = 310269792. Its totient is φ = 155049600.

The previous prime is 232638347. The next prime is 232638383. The reversal of 232638369 is 963836232.

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

It is not a de Polignac number, because 232638369 - 2⁸ = 232638113 is a prime.

It is a super-2 number, since 2×232638369² = 108241221461960322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 232638369.

It is not an unprimeable number, because it can be changed into a prime (232638389) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5617 + ... + 22289.

It is an arithmetic number, because the mean of its divisors is an integer number (38783724).

Almost surely, 2^232638369 is an apocalyptic number.

It is an amenable number.

232638369 is a deficient number, since it is larger than the sum of its proper divisors (77631423).

232638369 is a wasteful number, since it uses less digits than its factorization.

232638369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21327.

The product of its digits is 279936, while the sum is 42.

The square root of 232638369 is about 15252.4873053545. The cubic root of 232638369 is about 615.0264328648.

The spelling of 232638369 in words is "two hundred thirty-two million, six hundred thirty-eight thousand, three hundred sixty-nine".