243895036 has 48 divisors (see below), whose sum is σ = 555287040. Its totient is φ = 90889920.

The previous prime is 243895031. The next prime is 243895063. The reversal of 243895036 is 630598342.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 243895036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243895031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10131 + ... + 24298.

It is an arithmetic number, because the mean of its divisors is an integer number (11568480).

Almost surely, 2^243895036 is an apocalyptic number.

It is an amenable number.

243895036 is an abundant number, since it is smaller than the sum of its proper divisors (311392004).

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

243895036 is a wasteful number, since it uses less digits than its factorization.

243895036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34474 (or 34472 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 243895036 is about 15617.1391746376. The cubic root of 243895036 is about 624.7903604098.

The spelling of 243895036 in words is "two hundred forty-three million, eight hundred ninety-five thousand, thirty-six".