64988 has 24 divisors (see below), whose sum is σ = 142464. Its totient is φ = 25200.

The previous prime is 64969. The next prime is 64997. The reversal of 64988 is 88946.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203 + ... + 413.

It is an arithmetic number, because the mean of its divisors is an integer number (5936).

2⁶⁴⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71232).

64988 is an abundant number, since it is smaller than the sum of its proper divisors (77476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64988 is a wasteful number, since it uses less digits than its factorization.

64988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 231 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 64988 is about 254.9274406571. The cubic root of 64988 is about 40.2047831408.

It can be divided in two parts, 6498 and 8, that multiplied together give a square (51984 = 228²).

The spelling of 64988 in words is "sixty-four thousand, nine hundred eighty-eight".