993801098 has 4 divisors (see below), whose sum is σ = 1490701650. Its totient is φ = 496900548.

The previous prime is 993801031. The next prime is 993801101. The reversal of 993801098 is 890108399.

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

It can be written as a sum of positive squares in only one way, i.e., 697857889 + 295943209 = 26417^2 + 17203^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248450273 + ... + 248450276.

Almost surely, 2^993801098 is an apocalyptic number.

993801098 is a deficient number, since it is larger than the sum of its proper divisors (496900552).

993801098 is a wasteful number, since it uses less digits than its factorization.

993801098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496900551.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 993801098 is about 31524.6109888766. The cubic root of 993801098 is about 997.9294149701.

The spelling of 993801098 in words is "nine hundred ninety-three million, eight hundred one thousand, ninety-eight".