4243897398 has 32 divisors (see below), whose sum is σ = 9174477312. Its totient is φ = 1300989600.

The previous prime is 4243897379. The next prime is 4243897421. The reversal of 4243897398 is 8937983424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79248 + ... + 121523.

It is an arithmetic number, because the mean of its divisors is an integer number (286702416).

Almost surely, 2^4243897398 is an apocalyptic number.

4243897398 is an abundant number, since it is smaller than the sum of its proper divisors (4930579914).

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

4243897398 is a wasteful number, since it uses less digits than its factorization.

4243897398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201060.

The product of its digits is 10450944, while the sum is 57.

The square root of 4243897398 is about 65145.2024173692. The cubic root of 4243897398 is about 1619.0302327303.

The spelling of 4243897398 in words is "four billion, two hundred forty-three million, eight hundred ninety-seven thousand, three hundred ninety-eight".