232638336 has 192 divisors, whose sum is σ = 810557280. Its totient is φ = 62521344.

The previous prime is 232638317. The next prime is 232638347. The reversal of 232638336 is 633836232.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 232638336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136240 + ... + 137936.

Almost surely, 2^232638336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232638336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405278640).

232638336 is an abundant number, since it is smaller than the sum of its proper divisors (577918944).

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

232638336 is a wasteful number, since it uses less digits than its factorization.

232638336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1726 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 232638336 is about 15252.4862235637. The cubic root of 232638336 is about 615.0264037841.

The spelling of 232638336 in words is "two hundred thirty-two million, six hundred thirty-eight thousand, three hundred thirty-six".