998739337 has 4 divisors (see below), whose sum is σ = 998832276. Its totient is φ = 998646400.

The previous prime is 998739311. The next prime is 998739347. The reversal of 998739337 is 733937899.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 408686656 + 590052681 = 20216^2 + 24291^2 .

It is a cyclic number.

It is not a de Polignac number, because 998739337 - 2²³ = 990350729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998739347) 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, 27868 + ... + 52669.

It is an arithmetic number, because the mean of its divisors is an integer number (249708069).

Almost surely, 2^998739337 is an apocalyptic number.

It is an amenable number.

998739337 is a deficient number, since it is larger than the sum of its proper divisors (92939).

998739337 is a wasteful number, since it uses less digits than its factorization.

998739337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92938.

The product of its digits is 7715736, while the sum is 58.

The square root of 998739337 is about 31602.8374833653. The cubic root of 998739337 is about 999.5796022905.

The spelling of 998739337 in words is "nine hundred ninety-eight million, seven hundred thirty-nine thousand, three hundred thirty-seven".