4645399 has 4 divisors (see below), whose sum is σ = 5067720. Its totient is φ = 4223080.

The previous prime is 4645363. The next prime is 4645409. The reversal of 4645399 is 9935464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4645399 - 2⁷ = 4645271 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645309) 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 3 ways as a sum of consecutive naturals, for example, 211144 + ... + 211165.

It is an arithmetic number, because the mean of its divisors is an integer number (1266930).

Almost surely, 2^4645399 is an apocalyptic number.

4645399 is a deficient number, since it is larger than the sum of its proper divisors (422321).

4645399 is a wasteful number, since it uses less digits than its factorization.

4645399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422320.

The product of its digits is 116640, while the sum is 40.

The square root of 4645399 is about 2155.3187699271. The cubic root of 4645399 is about 166.8556846633.

The spelling of 4645399 in words is "four million, six hundred forty-five thousand, three hundred ninety-nine".