243998262 has 24 divisors (see below), whose sum is σ = 534116856. Its totient is φ = 80493696.

The previous prime is 243998243. The next prime is 243998267. The reversal of 243998262 is 262899342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243998267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68128 + ... + 71619.

It is an arithmetic number, because the mean of its divisors is an integer number (22254869).

Almost surely, 2^243998262 is an apocalyptic number.

243998262 is an abundant number, since it is smaller than the sum of its proper divisors (290118594).

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

243998262 is a wasteful number, since it uses less digits than its factorization.

243998262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139852 (or 139849 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 243998262 is about 15620.4437196899. The cubic root of 243998262 is about 624.8784932860.

The spelling of 243998262 in words is "two hundred forty-three million, nine hundred ninety-eight thousand, two hundred sixty-two".