64285969 has 8 divisors (see below), whose sum is σ = 70711200. Its totient is φ = 58440580.

The previous prime is 64285961. The next prime is 64285999. The reversal of 64285969 is 96958246.

It is not a de Polignac number, because 64285969 - 2³ = 64285961 is a prime.

It is a super-2 number, since 2×64285969² = 8265371620537922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64285961) 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, 22819 + ... + 25480.

It is an arithmetic number, because the mean of its divisors is an integer number (8838900).

Almost surely, 2^64285969 is an apocalyptic number.

It is an amenable number.

64285969 is a deficient number, since it is larger than the sum of its proper divisors (6425231).

64285969 is an equidigital number, since it uses as much as digits as its factorization.

64285969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48332 (or 48310 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 64285969 is about 8017.8531415835. The cubic root of 64285969 is about 400.5948835952.

The spelling of 64285969 in words is "sixty-four million, two hundred eighty-five thousand, nine hundred sixty-nine".