64834856 has 16 divisors (see below), whose sum is σ = 121717140. Its totient is φ = 32376960.

The previous prime is 64834823. The next prime is 64834871. The reversal of 64834856 is 65843846.

It can be written as a sum of positive squares in 2 ways, for example, as 48302500 + 16532356 = 6950^2 + 4066^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396 + ... + 11636.

Almost surely, 2^64834856 is an apocalyptic number.

It is an amenable number.

64834856 is a deficient number, since it is larger than the sum of its proper divisors (56882284).

64834856 is a wasteful number, since it uses less digits than its factorization.

64834856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124 (or 10120 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 64834856 is about 8052.0094386433. The cubic root of 64834856 is about 401.7317749024.

The spelling of 64834856 in words is "sixty-four million, eight hundred thirty-four thousand, eight hundred fifty-six".