447620 has 12 divisors (see below), whose sum is σ = 940044. Its totient is φ = 179040.

The previous prime is 447617. The next prime is 447637. The reversal of 447620 is 26744.

447620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 215296 + 232324 = 464^2 + 482^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11171 + ... + 11210.

It is an arithmetic number, because the mean of its divisors is an integer number (78337).

2⁴⁴⁷⁶²⁰ is an apocalyptic number.

It is an amenable number.

447620 is an abundant number, since it is smaller than the sum of its proper divisors (492424).

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

447620 is a wasteful number, since it uses less digits than its factorization.

447620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22390 (or 22388 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 447620 is about 669.0440942120. The cubic root of 447620 is about 76.4956068504.

It can be divided in two parts, 447 and 620, that multiplied together give a triangular number (277140 = T₇₄₄).

The spelling of 447620 in words is "four hundred forty-seven thousand, six hundred twenty".