243471396 has 216 divisors, whose sum is σ = 739420416. Its totient is φ = 62052480.

The previous prime is 243471311. The next prime is 243471401. The reversal of 243471396 is 693174342.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6580290 + ... + 6580326.

Almost surely, 2^243471396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243471396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369710208).

243471396 is an abundant number, since it is smaller than the sum of its proper divisors (495949020).

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

243471396 is a wasteful number, since it uses less digits than its factorization.

243471396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 99 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 243471396 is about 15603.5699761305. The cubic root of 243471396 is about 624.4284019872.

The spelling of 243471396 in words is "two hundred forty-three million, four hundred seventy-one thousand, three hundred ninety-six".