243632896 has 72 divisors (see below), whose sum is σ = 551430320. Its totient is φ = 106500096.

The previous prime is 243632887. The next prime is 243632897. The reversal of 243632896 is 698236342.

It is not an unprimeable number, because it can be changed into a prime (243632897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61306 + ... + 65158.

Almost surely, 2^243632896 is an apocalyptic number.

243632896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243632896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275715160).

243632896 is an abundant number, since it is smaller than the sum of its proper divisors (307797424).

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

243632896 is a wasteful number, since it uses less digits than its factorization.

243632896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901 (or 3887 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The square root of 243632896 is about 15608.7442159836. The cubic root of 243632896 is about 624.5664372269.

The spelling of 243632896 in words is "two hundred forty-three million, six hundred thirty-two thousand, eight hundred ninety-six".