4320612 has 18 divisors (see below), whose sum is σ = 10921638. Its totient is φ = 1440192.

The previous prime is 4320607. The next prime is 4320637. The reversal of 4320612 is 2160234.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4260096 + 60516 = 2064^2 + 246^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 59973 + ... + 60044.

Almost surely, 2^4320612 is an apocalyptic number.

It is an amenable number.

4320612 is an abundant number, since it is smaller than the sum of its proper divisors (6601026).

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

4320612 is a wasteful number, since it uses less digits than its factorization.

4320612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120027 (or 120022 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4320612 is about 2078.6081881875. The cubic root of 4320612 is about 162.8727474825.

Adding to 4320612 its reverse (2160234), we get a palindrome (6480846).

The spelling of 4320612 in words is "four million, three hundred twenty thousand, six hundred twelve".