983721098 has 4 divisors (see below), whose sum is σ = 1475581650. Its totient is φ = 491860548.

The previous prime is 983721091. The next prime is 983721119. The reversal of 983721098 is 890127389.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 890127389 = 37 ⋅24057497.

It can be written as a sum of positive squares in only one way, i.e., 518154169 + 465566929 = 22763^2 + 21577^2 .

It is not an unprimeable number, because it can be changed into a prime (983721091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245930273 + ... + 245930276.

Almost surely, 2^983721098 is an apocalyptic number.

983721098 is a deficient number, since it is larger than the sum of its proper divisors (491860552).

983721098 is a wasteful number, since it uses less digits than its factorization.

983721098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491860551.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 983721098 is about 31364.3284321536. The cubic root of 983721098 is about 994.5439853761.

The spelling of 983721098 in words is "nine hundred eighty-three million, seven hundred twenty-one thousand, ninety-eight".