243046380 has 48 divisors (see below), whose sum is σ = 681214464. Its totient is φ = 64747200.

The previous prime is 243046369. The next prime is 243046409. The reversal of 243046380 is 83640342.

243046380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243046380² = 118143085662208800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102205 + ... + 104555.

It is an arithmetic number, because the mean of its divisors is an integer number (14191968).

Almost surely, 2^243046380 is an apocalyptic number.

243046380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243046380 is an abundant number, since it is smaller than the sum of its proper divisors (438168084).

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

243046380 is a wasteful number, since it uses less digits than its factorization.

243046380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086 (or 4084 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 243046380 is about 15589.9448363360. The cubic root of 243046380 is about 624.0648457430.

The spelling of 243046380 in words is "two hundred forty-three million, forty-six thousand, three hundred eighty".