64492 has 12 divisors (see below), whose sum is σ = 117936.
Its totient is φ = 30800.
The previous prime is 64489. The next prime is 64499. The reversal of 64492 is 29446.
It is a plaindrome in base 11 and base 13.
It is a zygodrome in base 11.
It is not an unprimeable number, because it can be changed into a prime (64499) 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, 259 + ... + 442.
It is an arithmetic number, because the mean of its divisors is an integer number (9828).
264492 is an apocalyptic number.
It is an amenable number.
64492 is a deficient number, since it is larger than the sum of its proper divisors (53444).
64492 is a wasteful number, since it uses less digits than its factorization.
64492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 728 (or 726 counting only the distinct ones).
The product of its digits is 1728, while the sum is 25.
The square root of 64492 is about 253.9527515110.
The cubic root of 64492 is about 40.1022384598.
The spelling of 64492 in words is "sixty-four thousand, four hundred ninety-two".