243087398 has 8 divisors (see below), whose sum is σ = 367502592. Its totient is φ = 120586536.

The previous prime is 243087389. The next prime is 243087407. The reversal of 243087398 is 893780342.

It is an interprime number because it is at equal distance from previous prime (243087389) and next prime (243087407).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478265 + ... + 478772.

It is an arithmetic number, because the mean of its divisors is an integer number (45937824).

Almost surely, 2^243087398 is an apocalyptic number.

243087398 is a deficient number, since it is larger than the sum of its proper divisors (124415194).

243087398 is a wasteful number, since it uses less digits than its factorization.

243087398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957166.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 243087398 is about 15591.2603082624. The cubic root of 243087398 is about 624.0999507737.

The spelling of 243087398 in words is "two hundred forty-three million, eighty-seven thousand, three hundred ninety-eight".