243662328 has 96 divisors (see below), whose sum is σ = 812229600. Its totient is φ = 64260864.

The previous prime is 243662297. The next prime is 243662339. The reversal of 243662328 is 823266342.

243662328 is a `hidden beast` number, since 2 + 4 + 3 + 6 + 623 + 28 = 666.

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 junction number, because it is equal to n+sod(n) for n = 243662292 and 243662301.

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, 12043 + ... + 25146.

It is an arithmetic number, because the mean of its divisors is an integer number (8460725).

Almost surely, 2^243662328 is an apocalyptic number.

243662328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

243662328 is an abundant number, since it is smaller than the sum of its proper divisors (568567272).

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

243662328 is a wasteful number, since it uses less digits than its factorization.

243662328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37221 (or 37214 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 243662328 is about 15609.6869923775. The cubic root of 243662328 is about 624.5915864021.

The spelling of 243662328 in words is "two hundred forty-three million, six hundred sixty-two thousand, three hundred twenty-eight".