243675492 has 12 divisors (see below), whose sum is σ = 568576176. Its totient is φ = 81225160.

The previous prime is 243675473. The next prime is 243675521. The reversal of 243675492 is 294576342.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10153134 + ... + 10153157.

It is an arithmetic number, because the mean of its divisors is an integer number (47381348).

Almost surely, 2^243675492 is an apocalyptic number.

It is an amenable number.

243675492 is an abundant number, since it is smaller than the sum of its proper divisors (324900684).

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

243675492 is a wasteful number, since it uses less digits than its factorization.

243675492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20306298 (or 20306296 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 243675492 is about 15610.1086479243. The cubic root of 243675492 is about 624.6028341750.

The spelling of 243675492 in words is "two hundred forty-three million, six hundred seventy-five thousand, four hundred ninety-two".