64330038 has 20 divisors (see below), whose sum is σ = 144147300. Its totient is φ = 21443292.

The previous prime is 64330037. The next prime is 64330043. The reversal of 64330038 is 83003346.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 64329993 and 64330020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64330037) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 198388 + ... + 198711.

It is an arithmetic number, because the mean of its divisors is an integer number (7207365).

Almost surely, 2^64330038 is an apocalyptic number.

64330038 is an abundant number, since it is smaller than the sum of its proper divisors (79817262).

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

64330038 is a wasteful number, since it uses less digits than its factorization.

64330038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397113 (or 397104 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 64330038 is about 8020.6008503104. The cubic root of 64330038 is about 400.6864006284.

The spelling of 64330038 in words is "sixty-four million, three hundred thirty thousand, thirty-eight".