4646399 has 4 divisors (see below), whose sum is σ = 4666080. Its totient is φ = 4626720.

The previous prime is 4646381. The next prime is 4646401. The reversal of 4646399 is 9936464.

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 4646399 - 2⁸ = 4646143 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 (4646329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9482 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (1166520).

Almost surely, 2^4646399 is an apocalyptic number.

4646399 is a deficient number, since it is larger than the sum of its proper divisors (19681).

4646399 is a wasteful number, since it uses less digits than its factorization.

4646399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19680.

The product of its digits is 139968, while the sum is 41.

The square root of 4646399 is about 2155.5507416899. The cubic root of 4646399 is about 166.8676566319.

The spelling of 4646399 in words is "four million, six hundred forty-six thousand, three hundred ninety-nine".