447515469 has 32 divisors (see below), whose sum is σ = 671891840. Its totient is φ = 294368256.

The previous prime is 447515461. The next prime is 447515507. The reversal of 447515469 is 964515744.

It is not a de Polignac number, because 447515469 - 2³ = 447515461 is a prime.

It is a super-2 number, since 2×447515469² = 400540189988579922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

Its product of digits (604800) is a multiple of the sum of its prime divisors (900).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447515461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 817854 + ... + 818400.

It is an arithmetic number, because the mean of its divisors is an integer number (20996620).

Almost surely, 2^447515469 is an apocalyptic number.

It is an amenable number.

447515469 is a deficient number, since it is larger than the sum of its proper divisors (224376371).

447515469 is a wasteful number, since it uses less digits than its factorization.

447515469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 900 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 447515469 is about 21154.5614230123. The cubic root of 447515469 is about 764.8965181056.

The spelling of 447515469 in words is "four hundred forty-seven million, five hundred fifteen thousand, four hundred sixty-nine".