243241944 has 48 divisors (see below), whose sum is σ = 668420760. Its totient is φ = 73708800.

The previous prime is 243241939. The next prime is 243241961. The reversal of 243241944 is 449142342.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38977 + ... + 44784.

Almost surely, 2^243241944 is an apocalyptic number.

243241944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243241944 is an abundant number, since it is smaller than the sum of its proper divisors (425178816).

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

243241944 is a wasteful number, since it uses less digits than its factorization.

243241944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83792 (or 83777 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 243241944 is about 15596.2156948408. The cubic root of 243241944 is about 624.2321826634.

The spelling of 243241944 in words is "two hundred forty-three million, two hundred forty-one thousand, nine hundred forty-four".