988281841 has 4 divisors (see below), whose sum is σ = 997027812. Its totient is φ = 979535872.

The previous prime is 988281839. The next prime is 988281851. The reversal of 988281841 is 148182889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 148182889 = 113 ⋅1311353.

It can be written as a sum of positive squares in 2 ways, for example, as 530150625 + 458131216 = 23025^2 + 21404^2 .

It is a cyclic number.

It is not a de Polignac number, because 988281841 - 2¹ = 988281839 is a prime.

It is a super-3 number, since 3×988281841³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (988281851) 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, 4372816 + ... + 4373041.

It is an arithmetic number, because the mean of its divisors is an integer number (249256953).

Almost surely, 2^988281841 is an apocalyptic number.

It is an amenable number.

988281841 is a deficient number, since it is larger than the sum of its proper divisors (8745971).

988281841 is a wasteful number, since it uses less digits than its factorization.

988281841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8745970.

The product of its digits is 294912, while the sum is 49.

The square root of 988281841 is about 31436.9502496664. The cubic root of 988281841 is about 996.0785896412.

The spelling of 988281841 in words is "nine hundred eighty-eight million, two hundred eighty-one thousand, eight hundred forty-one".