986145899 has 16 divisors (see below), whose sum is σ = 1056888000. Its totient is φ = 918382080.

The previous prime is 986145887. The next prime is 986145959. The reversal of 986145899 is 998541689.

It is a cyclic number.

It is not a de Polignac number, because 986145899 - 2²⁴ = 969368683 is a prime.

It is a super-2 number, since 2×986145899² = 1944967468229036402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986145829) 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 15 ways as a sum of consecutive naturals, for example, 101162 + ... + 110480.

It is an arithmetic number, because the mean of its divisors is an integer number (66055500).

Almost surely, 2^986145899 is an apocalyptic number.

986145899 is a deficient number, since it is larger than the sum of its proper divisors (70742101).

986145899 is a wasteful number, since it uses less digits than its factorization.

986145899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9478.

The product of its digits is 5598720, while the sum is 59.

The square root of 986145899 is about 31402.9600356400. The cubic root of 986145899 is about 995.3604744247.

The spelling of 986145899 in words is "nine hundred eighty-six million, one hundred forty-five thousand, eight hundred ninety-nine".