64388106 has 48 divisors (see below), whose sum is σ = 142635168. Its totient is φ = 20988000.

The previous prime is 64388087. The next prime is 64388119. The reversal of 64388106 is 60188346.

It is a happy number.

64388106 is a `hidden beast` number, since 643 + 8 + 8 + 1 + 0 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194361 + ... + 194691.

It is an arithmetic number, because the mean of its divisors is an integer number (2971566).

Almost surely, 2^64388106 is an apocalyptic number.

64388106 is an abundant number, since it is smaller than the sum of its proper divisors (78247062).

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

64388106 is a wasteful number, since it uses less digits than its factorization.

64388106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 64388106 is about 8024.2199620898. The cubic root of 64388106 is about 400.8069252512.

The spelling of 64388106 in words is "sixty-four million, three hundred eighty-eight thousand, one hundred six".