1064686084 has 48 divisors (see below), whose sum is σ = 2329528320. Its totient is φ = 413638560.

The previous prime is 1064686037. The next prime is 1064686087. The reversal of 1064686084 is 4806864601.

It is a super-2 number, since 2×1064686084² = 2267112914926510112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1064686084.

It is not an unprimeable number, because it can be changed into a prime (1064686087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108327 + ... + 117745.

It is an arithmetic number, because the mean of its divisors is an integer number (48531840).

Almost surely, 2^1064686084 is an apocalyptic number.

1064686084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1064686084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164764160).

1064686084 is an abundant number, since it is smaller than the sum of its proper divisors (1264842236).

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

1064686084 is a wasteful number, since it uses less digits than its factorization.

1064686084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9808 (or 9806 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 1064686084 is about 32629.5277930895. The cubic root of 1064686084 is about 1021.1131267219.

The spelling of 1064686084 in words is "one billion, sixty-four million, six hundred eighty-six thousand, eighty-four".