980023636 has 12 divisors (see below), whose sum is σ = 1747401012. Its totient is φ = 480766208.

The previous prime is 980023607. The next prime is 980023637. The reversal of 980023636 is 636320089.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 506700100 + 473323536 = 22510^2 + 21756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 980023595 and 980023604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980023637) 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, 2311165 + ... + 2311588.

It is an arithmetic number, because the mean of its divisors is an integer number (145616751).

Almost surely, 2^980023636 is an apocalyptic number.

It is an amenable number.

980023636 is a deficient number, since it is larger than the sum of its proper divisors (767377376).

980023636 is a wasteful number, since it uses less digits than its factorization.

980023636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622810 (or 4622808 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 980023636 is about 31305.3291948831. The cubic root of 980023636 is about 993.2963738131.

The spelling of 980023636 in words is "nine hundred eighty million, twenty-three thousand, six hundred thirty-six".