1064394216 has 32 divisors (see below), whose sum is σ = 2956651200. Its totient is φ = 354798000.

The previous prime is 1064394203. The next prime is 1064394223. The reversal of 1064394216 is 6124934601.

1064394216 is a `hidden beast` number, since 1 + 0 + 6 + 439 + 4 + 216 = 666.

It is a super-2 number, since 2×1064394216² = 2265870094108509312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2463660 + ... + 2464091.

It is an arithmetic number, because the mean of its divisors is an integer number (92395350).

Almost surely, 2^1064394216 is an apocalyptic number.

It is an amenable number.

1064394216 is an abundant number, since it is smaller than the sum of its proper divisors (1892256984).

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

1064394216 is a wasteful number, since it uses less digits than its factorization.

1064394216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927766 (or 4927756 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1064394216 is about 32625.0550344363. The cubic root of 1064394216 is about 1021.0198104890.

It can be divided in two parts, 10 and 64394216, that added together give a triangular number (64394226 = T₁₁₃₄₈).

The spelling of 1064394216 in words is "one billion, sixty-four million, three hundred ninety-four thousand, two hundred sixteen".