980917361 has 4 divisors (see below), whose sum is σ = 981064932. Its totient is φ = 980769792.

The previous prime is 980917349. The next prime is 980917387. The reversal of 980917361 is 163719089.

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 592630336 + 388287025 = 24344^2 + 19705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980917361 is a prime.

It is a super-2 number, since 2×980917361² = 1924397738222408642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980917331) 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, 63320 + ... + 77273.

It is an arithmetic number, because the mean of its divisors is an integer number (245266233).

Almost surely, 2^980917361 is an apocalyptic number.

It is an amenable number.

980917361 is a deficient number, since it is larger than the sum of its proper divisors (147571).

980917361 is a wasteful number, since it uses less digits than its factorization.

980917361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147570.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 980917361 is about 31319.6002688412. The cubic root of 980917361 is about 993.5982250651.

The spelling of 980917361 in words is "nine hundred eighty million, nine hundred seventeen thousand, three hundred sixty-one".