980914981 has 4 divisors (see below), whose sum is σ = 981683200. Its totient is φ = 980146764.

The previous prime is 980914967. The next prime is 980914997. The reversal of 980914981 is 189419089.

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.

It is a cyclic number.

It is not a de Polignac number, because 980914981 - 2⁹ = 980914469 is a prime.

It is a super-2 number, since 2×980914981² = 1924388399900460722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980914901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382191 + ... + 384748.

It is an arithmetic number, because the mean of its divisors is an integer number (245420800).

Almost surely, 2^980914981 is an apocalyptic number.

It is an amenable number.

980914981 is a deficient number, since it is larger than the sum of its proper divisors (768219).

980914981 is a wasteful number, since it uses less digits than its factorization.

980914981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768218.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 980914981 is about 31319.5622734418. The cubic root of 980914981 is about 993.5974214752.

The spelling of 980914981 in words is "nine hundred eighty million, nine hundred fourteen thousand, nine hundred eighty-one".