1064039986 has 8 divisors (see below), whose sum is σ = 1651096620. Its totient is φ = 513674448.

The previous prime is 1064039971. The next prime is 1064039987. The reversal of 1064039986 is 6899304601.

It can be written as a sum of positive squares in 2 ways, for example, as 978125625 + 85914361 = 31275^2 + 9269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1064039986² = 2264362183613760392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064039987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9172701 + ... + 9172816.

Almost surely, 2^1064039986 is an apocalyptic number.

1064039986 is a deficient number, since it is larger than the sum of its proper divisors (587056634).

1064039986 is a wasteful number, since it uses less digits than its factorization.

1064039986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345548.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1064039986 is about 32619.6257795825. The cubic root of 1064039986 is about 1020.9065329172.

The spelling of 1064039986 in words is "one billion, sixty-four million, thirty-nine thousand, nine hundred eighty-six".