998739044 has 6 divisors (see below), whose sum is σ = 1747793334. Its totient is φ = 499369520.

The previous prime is 998739041. The next prime is 998739067. The reversal of 998739044 is 440937899.

It is a happy number.

998739044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 800210944 + 198528100 = 28288^2 + 14090^2 .

It is not an unprimeable number, because it can be changed into a prime (998739041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124842377 + ... + 124842384.

It is an arithmetic number, because the mean of its divisors is an integer number (291298889).

Almost surely, 2^998739044 is an apocalyptic number.

It is an amenable number.

998739044 is a deficient number, since it is larger than the sum of its proper divisors (749054290).

998739044 is a wasteful number, since it uses less digits than its factorization.

998739044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249684765 (or 249684763 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 998739044 is about 31602.8328477053. The cubic root of 998739044 is about 999.5795045417.

The spelling of 998739044 in words is "nine hundred ninety-eight million, seven hundred thirty-nine thousand, forty-four".