447961404 has 48 divisors (see below), whose sum is σ = 1200286080. Its totient is φ = 128600640.

The previous prime is 447961403. The next prime is 447961421. The reversal of 447961404 is 404169744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447961403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86799 + ... + 91814.

It is an arithmetic number, because the mean of its divisors is an integer number (25005960).

Almost surely, 2^447961404 is an apocalyptic number.

447961404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

447961404 is an abundant number, since it is smaller than the sum of its proper divisors (752324676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447961404 is a wasteful number, since it uses less digits than its factorization.

447961404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178650 (or 178648 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 447961404 is about 21165.0987240788. The cubic root of 447961404 is about 765.1504988196.

The spelling of 447961404 in words is "four hundred forty-seven million, nine hundred sixty-one thousand, four hundred four".