64388060 has 24 divisors (see below), whose sum is σ = 147507696. Its totient is φ = 23413760.

The previous prime is 64388053. The next prime is 64388069. The reversal of 64388060 is 6088346.

It is a self number, because there is not a number n which added to its sum of digits gives 64388060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64388069) 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, 146117 + ... + 146556.

It is an arithmetic number, because the mean of its divisors is an integer number (6146154).

Almost surely, 2^64388060 is an apocalyptic number.

It is an amenable number.

64388060 is an abundant number, since it is smaller than the sum of its proper divisors (83119636).

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

64388060 is a wasteful number, since it uses less digits than its factorization.

64388060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292693 (or 292691 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 64388060 is about 8024.2170957670. The cubic root of 64388060 is about 400.8068298033.

The spelling of 64388060 in words is "sixty-four million, three hundred eighty-eight thousand, sixty".