447764 has 24 divisors (see below), whose sum is σ = 849408. Its totient is φ = 205920.

The previous prime is 447757. The next prime is 447779. The reversal of 447764 is 467744.

It is a self number, because there is not a number n which added to its sum of digits gives 447764.

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 447764.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (35392).

2⁴⁴⁷⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

447764 is a deficient number, since it is larger than the sum of its proper divisors (401644).

447764 is a wasteful number, since it uses less digits than its factorization.

447764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 213 counting only the distinct ones).

The product of its digits is 18816, while the sum is 32.

The square root of 447764 is about 669.1517017837. The cubic root of 447764 is about 76.5038088866.

The spelling of 447764 in words is "four hundred forty-seven thousand, seven hundred sixty-four".