990238339 has 4 divisors (see below), whose sum is σ = 990835456. Its totient is φ = 989641224.

The previous prime is 990238309. The next prime is 990238367. The reversal of 990238339 is 933832099.

It is a happy number.

990238339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 990238339 - 2⁵ = 990238307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990238309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296064 + ... + 299389.

It is an arithmetic number, because the mean of its divisors is an integer number (247708864).

Almost surely, 2^990238339 is an apocalyptic number.

990238339 is a deficient number, since it is larger than the sum of its proper divisors (597117).

990238339 is a wasteful number, since it uses less digits than its factorization.

990238339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597116.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 990238339 is about 31468.0526725122. The cubic root of 990238339 is about 996.7354674240.

The spelling of 990238339 in words is "nine hundred ninety million, two hundred thirty-eight thousand, three hundred thirty-nine".