456446 has 4 divisors (see below), whose sum is σ = 684672. Its totient is φ = 228222.

The previous prime is 456439. The next prime is 456451. The reversal of 456446 is 644654.

456446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 644654 = 2 ⋅322327.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 456446.

It is an unprimeable number.

456446 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114110 + ... + 114113.

It is an arithmetic number, because the mean of its divisors is an integer number (171168).

2⁴⁵⁶⁴⁴⁶ is an apocalyptic number.

456446 is a deficient number, since it is larger than the sum of its proper divisors (228226).

456446 is a wasteful number, since it uses less digits than its factorization.

456446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228225.

The product of its digits is 11520, while the sum is 29.

The square root of 456446 is about 675.6078744361. The cubic root of 456446 is about 76.9951084766.

The spelling of 456446 in words is "four hundred fifty-six thousand, four hundred forty-six".