446831147 has 12 divisors (see below), whose sum is σ = 522797616. Its totient is φ = 380777040.

The previous prime is 446831123. The next prime is 446831149. The reversal of 446831147 is 741138644.

It is a happy number.

It is not a de Polignac number, because 446831147 - 2⁶ = 446831083 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 446831147.

It is not an unprimeable number, because it can be changed into a prime (446831149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17879 + ... + 34832.

It is an arithmetic number, because the mean of its divisors is an integer number (43566468).

Almost surely, 2^446831147 is an apocalyptic number.

446831147 is a deficient number, since it is larger than the sum of its proper divisors (75966469).

446831147 is a wasteful number, since it uses less digits than its factorization.

446831147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52898 (or 52891 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 446831147 is about 21138.3808982618. The cubic root of 446831147 is about 764.5064365826.

The spelling of 446831147 in words is "four hundred forty-six million, eight hundred thirty-one thousand, one hundred forty-seven".