243428948 has 12 divisors (see below), whose sum is σ = 486857952. Its totient is φ = 104326680.

The previous prime is 243428921. The next prime is 243428951. The reversal of 243428948 is 849824342.

243428948 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 243428899 and 243428908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4346918 + ... + 4346973.

It is an arithmetic number, because the mean of its divisors is an integer number (40571496).

Almost surely, 2^243428948 is an apocalyptic number.

243428948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

243428948 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.

243428948 is a wasteful number, since it uses less digits than its factorization.

243428948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8693902 (or 8693900 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 243428948 is about 15602.2097152935. The cubic root of 243428948 is about 624.3921112390.

The spelling of 243428948 in words is "two hundred forty-three million, four hundred twenty-eight thousand, nine hundred forty-eight".