981387104 has 24 divisors (see below), whose sum is σ = 1951242048. Its totient is φ = 485833600.

The previous prime is 981387091. The next prime is 981387137. The reversal of 981387104 is 401783189.

It is a congruent number.

It is an unprimeable number.

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, 148592 + ... + 155055.

It is an arithmetic number, because the mean of its divisors is an integer number (81301752).

Almost surely, 2^981387104 is an apocalyptic number.

It is an amenable number.

981387104 is a deficient number, since it is larger than the sum of its proper divisors (969854944).

981387104 is a wasteful number, since it uses less digits than its factorization.

981387104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303758 (or 303750 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 981387104 is about 31327.0985570001. The cubic root of 981387104 is about 993.7568049638.

The spelling of 981387104 in words is "nine hundred eighty-one million, three hundred eighty-seven thousand, one hundred four".