243060400 has 120 divisors (see below), whose sum is σ = 654694704. Its totient is φ = 85939200.

The previous prime is 243060319. The next prime is 243060421. The reversal of 243060400 is 4060342.

243060400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162054 + ... + 163546.

Almost surely, 2^243060400 is an apocalyptic number.

243060400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243060400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327347352).

243060400 is an abundant number, since it is smaller than the sum of its proper divisors (411634304).

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

243060400 is a wasteful number, since it uses less digits than its factorization.

243060400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 243060400 is about 15590.3944786526. The cubic root of 243060400 is about 624.0768451275.

The spelling of 243060400 in words is "two hundred forty-three million, sixty thousand, four hundred".