989650238 has 8 divisors (see below), whose sum is σ = 1512484488. Its totient is φ = 485488744.

The previous prime is 989650229. The next prime is 989650241. The reversal of 989650238 is 832056989.

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, 4668056 + ... + 4668267.

It is an arithmetic number, because the mean of its divisors is an integer number (189060561).

Almost surely, 2^989650238 is an apocalyptic number.

989650238 is a deficient number, since it is larger than the sum of its proper divisors (522834250).

989650238 is a wasteful number, since it uses less digits than its factorization.

989650238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9336378.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 989650238 is about 31458.7068710715. The cubic root of 989650238 is about 996.5381084703.

The spelling of 989650238 in words is "nine hundred eighty-nine million, six hundred fifty thousand, two hundred thirty-eight".