456444213 has 8 divisors (see below), whose sum is σ = 621541248. Its totient is φ = 297821664.

The previous prime is 456444211. The next prime is 456444227. The reversal of 456444213 is 312444654.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 456444213 - 2¹ = 456444211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456444211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618456 + ... + 1618737.

It is an arithmetic number, because the mean of its divisors is an integer number (77692656).

Almost surely, 2^456444213 is an apocalyptic number.

It is an amenable number.

456444213 is a deficient number, since it is larger than the sum of its proper divisors (165097035).

456444213 is a wasteful number, since it uses less digits than its factorization.

456444213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237243.

The product of its digits is 46080, while the sum is 33.

The square root of 456444213 is about 21364.5550620648. Note that the first 3 decimals coincide. The cubic root of 456444213 is about 769.9500799705.

Adding to 456444213 its reverse (312444654), we get a palindrome (768888867).

The spelling of 456444213 in words is "four hundred fifty-six million, four hundred forty-four thousand, two hundred thirteen".