464444213 has 4 divisors (see below), whose sum is σ = 467293728. Its totient is φ = 461594700.

The previous prime is 464444153. The next prime is 464444231. The reversal of 464444213 is 312444464.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 464444213 - 2⁸ = 464443957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 464444213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464444243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424513 + ... + 1424838.

It is an arithmetic number, because the mean of its divisors is an integer number (116823432).

Almost surely, 2^464444213 is an apocalyptic number.

It is an amenable number.

464444213 is a deficient number, since it is larger than the sum of its proper divisors (2849515).

464444213 is a wasteful number, since it uses less digits than its factorization.

464444213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849514.

The product of its digits is 36864, while the sum is 32.

The square root of 464444213 is about 21550.9677972939. The cubic root of 464444213 is about 774.4223030242.

Adding to 464444213 its reverse (312444464), we get a palindrome (776888677).

The spelling of 464444213 in words is "four hundred sixty-four million, four hundred forty-four thousand, two hundred thirteen".