243828502 has 16 divisors (see below), whose sum is σ = 368121600. Its totient is φ = 121124520.

The previous prime is 243828457. The next prime is 243828509. The reversal of 243828502 is 205828342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243828509) 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, 290199 + ... + 291037.

It is an arithmetic number, because the mean of its divisors is an integer number (23007600).

Almost surely, 2^243828502 is an apocalyptic number.

243828502 is a deficient number, since it is larger than the sum of its proper divisors (124293098).

243828502 is a wasteful number, since it uses less digits than its factorization.

243828502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 243828502 is about 15615.0088696741. The cubic root of 243828502 is about 624.7335414559.

The spelling of 243828502 in words is "two hundred forty-three million, eight hundred twenty-eight thousand, five hundred two".