243698433 has 8 divisors (see below), whose sum is σ = 354470496. Its totient is φ = 147696000.

The previous prime is 243698393. The next prime is 243698437. The reversal of 243698433 is 334896342.

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

It is not a de Polignac number, because 243698433 - 2⁶ = 243698369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243698437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3692368 + ... + 3692433.

It is an arithmetic number, because the mean of its divisors is an integer number (44308812).

Almost surely, 2^243698433 is an apocalyptic number.

It is an amenable number.

243698433 is a deficient number, since it is larger than the sum of its proper divisors (110772063).

243698433 is a wasteful number, since it uses less digits than its factorization.

243698433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384815.

The product of its digits is 373248, while the sum is 42.

The square root of 243698433 is about 15610.8434429406. The cubic root of 243698433 is about 624.6224347838.

The spelling of 243698433 in words is "two hundred forty-three million, six hundred ninety-eight thousand, four hundred thirty-three".