64285169 has 8 divisors (see below), whose sum is σ = 71101800. Its totient is φ = 57735936.

The previous prime is 64285163. The next prime is 64285181. The reversal of 64285169 is 96158246.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93025 + 64192144 = 305^2 + 8012^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64285169 is a prime.

It is a super-2 number, since 2×64285169² = 8265165906717122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64285163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66344 + ... + 67305.

It is an arithmetic number, because the mean of its divisors is an integer number (8887725).

Almost surely, 2^64285169 is an apocalyptic number.

It is an amenable number.

64285169 is a deficient number, since it is larger than the sum of its proper divisors (6816631).

64285169 is a wasteful number, since it uses less digits than its factorization.

64285169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133699.

The product of its digits is 103680, while the sum is 41.

The square root of 64285169 is about 8017.8032527619. The cubic root of 64285169 is about 400.5932218680.

The spelling of 64285169 in words is "sixty-four million, two hundred eighty-five thousand, one hundred sixty-nine".