986697612 has 144 divisors (see below), whose sum is σ = 2761379712. Its totient is φ = 306996480.

The previous prime is 986697601. The next prime is 986697617. The reversal of 986697612 is 216796689.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (986697617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3486423 + ... + 3486705.

It is an arithmetic number, because the mean of its divisors is an integer number (19176248).

Almost surely, 2^986697612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 986697612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380689856).

986697612 is an abundant number, since it is smaller than the sum of its proper divisors (1774682100).

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

986697612 is a wasteful number, since it uses less digits than its factorization.

986697612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 516 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 986697612 is about 31411.7432181024. The cubic root of 986697612 is about 995.5460625597.

The spelling of 986697612 in words is "nine hundred eighty-six million, six hundred ninety-seven thousand, six hundred twelve".