243254004 has 24 divisors (see below), whose sum is σ = 648677568. Its totient is φ = 69501120.

The previous prime is 243253963. The next prime is 243254009. The reversal of 243254004 is 400452342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243254009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447857 + ... + 1448024.

It is an arithmetic number, because the mean of its divisors is an integer number (27028232).

Almost surely, 2^243254004 is an apocalyptic number.

It is an amenable number.

243254004 is an abundant number, since it is smaller than the sum of its proper divisors (405423564).

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

243254004 is a wasteful number, since it uses less digits than its factorization.

243254004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895895 (or 2895893 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 243254004 is about 15596.6023223008. The cubic root of 243254004 is about 624.2424990252.

The spelling of 243254004 in words is "two hundred forty-three million, two hundred fifty-four thousand, four".