981536104 has 8 divisors (see below), whose sum is σ = 1840380210. Its totient is φ = 490768048.

The previous prime is 981536093. The next prime is 981536141. The reversal of 981536104 is 401635189.

It can be written as a sum of positive squares in only one way, i.e., 881496100 + 100040004 = 29690^2 + 10002^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61345999 + ... + 61346014.

Almost surely, 2^981536104 is an apocalyptic number.

It is an amenable number.

981536104 is a deficient number, since it is larger than the sum of its proper divisors (858844106).

981536104 is a wasteful number, since it uses less digits than its factorization.

981536104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122692019 (or 122692015 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 981536104 is about 31329.4765995221. The cubic root of 981536104 is about 993.8070950991.

The spelling of 981536104 in words is "nine hundred eighty-one million, five hundred thirty-six thousand, one hundred four".