988269983 has 4 divisors (see below), whose sum is σ = 989020560. Its totient is φ = 987519408.

The previous prime is 988269979. The next prime is 988269991. The reversal of 988269983 is 389962889.

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

It is a cyclic number.

It is not a de Polignac number, because 988269983 - 2² = 988269979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988269283) 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, 373310 + ... + 375947.

It is an arithmetic number, because the mean of its divisors is an integer number (247255140).

Almost surely, 2^988269983 is an apocalyptic number.

988269983 is a deficient number, since it is larger than the sum of its proper divisors (750577).

988269983 is a wasteful number, since it uses less digits than its factorization.

988269983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750576.

The product of its digits is 13436928, while the sum is 62.

The square root of 988269983 is about 31436.7616493811. The cubic root of 988269983 is about 996.0746057753.

The spelling of 988269983 in words is "nine hundred eighty-eight million, two hundred sixty-nine thousand, nine hundred eighty-three".