64964 has 12 divisors (see below), whose sum is σ = 115500. Its totient is φ = 31968.

The previous prime is 64951. The next prime is 64969. The reversal of 64964 is 46946.

It can be written as a sum of positive squares in 2 ways, for example, as 24964 + 40000 = 158^2 + 200^2 .

It is a super-4 number, since 4×64964⁴ = 71244447365884478464, which contains 4444 as substring.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64969) 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, 362 + ... + 510.

It is an arithmetic number, because the mean of its divisors is an integer number (9625).

2⁶⁴⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

64964 is a deficient number, since it is larger than the sum of its proper divisors (50536).

64964 is a wasteful number, since it uses less digits than its factorization.

64964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 260 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 64964 is about 254.8803640926. The cubic root of 64964 is about 40.1998333368.

The spelling of 64964 in words is "sixty-four thousand, nine hundred sixty-four".