988503973 has 4 divisors (see below), whose sum is σ = 1012613868. Its totient is φ = 964394080.

The previous prime is 988503941. The next prime is 988503979. The reversal of 988503973 is 379305889.

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

It can be written as a sum of positive squares in 2 ways, for example, as 120494529 + 868009444 = 10977^2 + 29462^2 .

It is a cyclic number.

It is not a de Polignac number, because 988503973 - 2⁵ = 988503941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 988503973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988503979) 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, 12054886 + ... + 12054967.

It is an arithmetic number, because the mean of its divisors is an integer number (253153467).

Almost surely, 2^988503973 is an apocalyptic number.

It is an amenable number.

988503973 is a deficient number, since it is larger than the sum of its proper divisors (24109895).

988503973 is a wasteful number, since it uses less digits than its factorization.

988503973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24109894.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 988503973 is about 31440.4830274600. The cubic root of 988503973 is about 996.1532121982.

The spelling of 988503973 in words is "nine hundred eighty-eight million, five hundred three thousand, nine hundred seventy-three".