243401476 has 24 divisors (see below), whose sum is σ = 449830080. Its totient is φ = 114920352.

The previous prime is 243401471. The next prime is 243401489. The reversal of 243401476 is 674104342.

It is not an unprimeable number, because it can be changed into a prime (243401471) 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, 19041 + ... + 29143.

It is an arithmetic number, because the mean of its divisors is an integer number (18742920).

Almost surely, 2^243401476 is an apocalyptic number.

It is an amenable number.

243401476 is a deficient number, since it is larger than the sum of its proper divisors (206428604).

243401476 is a wasteful number, since it uses less digits than its factorization.

243401476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10443 (or 10441 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 243401476 is about 15601.3293023383. The cubic root of 243401476 is about 624.3686219135.

The spelling of 243401476 in words is "two hundred forty-three million, four hundred one thousand, four hundred seventy-six".