988554281 has 8 divisors (see below), whose sum is σ = 1161378624. Its totient is φ = 829555920.

The previous prime is 988554223. The next prime is 988554293. The reversal of 988554281 is 182455889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988554281 is a prime.

It is a super-2 number, since 2×988554281² = 1954479132966853922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (988556281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3456341 + ... + 3456626.

It is an arithmetic number, because the mean of its divisors is an integer number (145172328).

Almost surely, 2^988554281 is an apocalyptic number.

It is an amenable number.

988554281 is a deficient number, since it is larger than the sum of its proper divisors (172824343).

988554281 is a wasteful number, since it uses less digits than its factorization.

988554281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912991.

The product of its digits is 921600, while the sum is 50.

The square root of 988554281 is about 31441.2830686027. The cubic root of 988554281 is about 996.1701110093.

The spelling of 988554281 in words is "nine hundred eighty-eight million, five hundred fifty-four thousand, two hundred eighty-one".