447640414 has 16 divisors (see below), whose sum is σ = 731827152. Its totient is φ = 204113088.

The previous prime is 447640409. The next prime is 447640429. The reversal of 447640414 is 414046744.

It is a self number, because there is not a number n which added to its sum of digits gives 447640414.

It is a congruent number.

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, 101559 + ... + 105874.

It is an arithmetic number, because the mean of its divisors is an integer number (45739197).

Almost surely, 2^447640414 is an apocalyptic number.

447640414 is a deficient number, since it is larger than the sum of its proper divisors (284186738).

447640414 is a wasteful number, since it uses less digits than its factorization.

447640414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207531.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 447640414 is about 21157.5143625143. The cubic root of 447640414 is about 764.9676970996.

The spelling of 447640414 in words is "four hundred forty-seven million, six hundred forty thousand, four hundred fourteen".