243864846 has 12 divisors (see below), whose sum is σ = 528373872. Its totient is φ = 81288276.

The previous prime is 243864839. The next prime is 243864853. The reversal of 243864846 is 648468342.

It is an interprime number because it is at equal distance from previous prime (243864839) and next prime (243864853).

It is a super-2 number, since 2×243864846² = 118940126229207432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6774006 + ... + 6774041.

It is an arithmetic number, because the mean of its divisors is an integer number (44031156).

Almost surely, 2^243864846 is an apocalyptic number.

243864846 is an abundant number, since it is smaller than the sum of its proper divisors (284509026).

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

243864846 is a wasteful number, since it uses less digits than its factorization.

243864846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13548055 (or 13548052 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The square root of 243864846 is about 15616.1725784521. The cubic root of 243864846 is about 624.7645799216.

The spelling of 243864846 in words is "two hundred forty-three million, eight hundred sixty-four thousand, eight hundred forty-six".