988508049 has 4 divisors (see below), whose sum is σ = 1318010736. Its totient is φ = 659005364.

The previous prime is 988507997. The next prime is 988508071. The reversal of 988508049 is 940805889.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 940805889 = 3 ⋅313601963.

It is a cyclic number.

It is not a de Polignac number, because 988508049 - 2²⁴ = 971730833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 988507992 and 988508010.

It is not an unprimeable number, because it can be changed into a prime (988508249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164751339 + ... + 164751344.

It is an arithmetic number, because the mean of its divisors is an integer number (329502684).

Almost surely, 2^988508049 is an apocalyptic number.

It is an amenable number.

988508049 is a deficient number, since it is larger than the sum of its proper divisors (329502687).

988508049 is a wasteful number, since it uses less digits than its factorization.

988508049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329502686.

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 988508049 is about 31440.5478482803. The cubic root of 988508049 is about 996.1545813767.

The spelling of 988508049 in words is "nine hundred eighty-eight million, five hundred eight thousand, forty-nine".