243648374 has 8 divisors (see below), whose sum is σ = 368102280. Its totient is φ = 120947616.

The previous prime is 243648373. The next prime is 243648389. The reversal of 243648374 is 473846342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243648371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437939 + ... + 438494.

It is an arithmetic number, because the mean of its divisors is an integer number (46012785).

Almost surely, 2^243648374 is an apocalyptic number.

243648374 is a deficient number, since it is larger than the sum of its proper divisors (124453906).

243648374 is a wasteful number, since it uses less digits than its factorization.

243648374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876574.

The product of its digits is 387072, while the sum is 41.

The square root of 243648374 is about 15609.2400199369. The cubic root of 243648374 is about 624.5796631838.

The spelling of 243648374 in words is "two hundred forty-three million, six hundred forty-eight thousand, three hundred seventy-four".