4390064 has 40 divisors (see below), whose sum is σ = 10237440. Its totient is φ = 1781568.

The previous prime is 4390051. The next prime is 4390069. The reversal of 4390064 is 4600934.

It is not an unprimeable number, because it can be changed into a prime (4390069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (255936).

Almost surely, 2^4390064 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 4390064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5118720).

4390064 is an abundant number, since it is smaller than the sum of its proper divisors (5847376).

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

4390064 is a wasteful number, since it uses less digits than its factorization.

4390064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097 (or 2091 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 4390064 is about 2095.2479566867. The cubic root of 4390064 is about 163.7408160652.

Adding to 4390064 its reverse (4600934), we get a palindrome (8990998).

The spelling of 4390064 in words is "four million, three hundred ninety thousand, sixty-four".