986549031 has 32 divisors (see below), whose sum is σ = 1580113920. Its totient is φ = 604742112.

The previous prime is 986549017. The next prime is 986549033. The reversal of 986549031 is 130945689.

It is a happy number.

It is not a de Polignac number, because 986549031 - 2¹⁵ = 986516263 is a prime.

It is a super-2 number, since 2×986549031² = 1946557981134077922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986549033) 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 31 ways as a sum of consecutive naturals, for example, 86970 + ... + 97656.

It is an arithmetic number, because the mean of its divisors is an integer number (49378560).

Almost surely, 2^986549031 is an apocalyptic number.

986549031 is a deficient number, since it is larger than the sum of its proper divisors (593564889).

986549031 is a wasteful number, since it uses less digits than its factorization.

986549031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972 (or 10966 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 986549031 is about 31409.3780740721. The cubic root of 986549031 is about 995.4960889058.

The spelling of 986549031 in words is "nine hundred eighty-six million, five hundred forty-nine thousand, thirty-one".