986493804 has 12 divisors (see below), whose sum is σ = 2301818904. Its totient is φ = 328831264.

The previous prime is 986493803. The next prime is 986493829. The reversal of 986493804 is 408394689.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (986493803) 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, 41103897 + ... + 41103920.

It is an arithmetic number, because the mean of its divisors is an integer number (191818242).

Almost surely, 2^986493804 is an apocalyptic number.

It is an amenable number.

986493804 is an abundant number, since it is smaller than the sum of its proper divisors (1315325100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

986493804 is a wasteful number, since it uses less digits than its factorization.

986493804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82207824 (or 82207822 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 986493804 is about 31408.4989135107. The cubic root of 986493804 is about 995.4775126071.

The spelling of 986493804 in words is "nine hundred eighty-six million, four hundred ninety-three thousand, eight hundred four".