447828405 has 8 divisors (see below), whose sum is σ = 716525472. Its totient is φ = 238841808.

The previous prime is 447828391. The next prime is 447828419. The reversal of 447828405 is 504828744.

It is an interprime number because it is at equal distance from previous prime (447828391) and next prime (447828419).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 447828405 - 2⁵ = 447828373 is a prime.

It is a super-3 number, since 3×447828405³ (a number of 27 digits) contains 333 as substring.

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, 14927599 + ... + 14927628.

It is an arithmetic number, because the mean of its divisors is an integer number (89565684).

Almost surely, 2^447828405 is an apocalyptic number.

It is an amenable number.

447828405 is a deficient number, since it is larger than the sum of its proper divisors (268697067).

447828405 is a wasteful number, since it uses less digits than its factorization.

447828405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29855235.

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 447828405 is about 21161.9565494309. The cubic root of 447828405 is about 765.0747673517.

The spelling of 447828405 in words is "four hundred forty-seven million, eight hundred twenty-eight thousand, four hundred five".