620304471 has 6 divisors (see below), whose sum is σ = 895995360. Its totient is φ = 413536308.

The previous prime is 620304463. The next prime is 620304473. The reversal of 620304471 is 174403026.

620304471 is a `hidden beast` number, since 620 + 30 + 4 + 4 + 7 + 1 = 666.

620304471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620304471 - 2³ = 620304463 is a prime.

It is a super-3 number, since 3×620304471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620304473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34461351 + ... + 34461368.

It is an arithmetic number, because the mean of its divisors is an integer number (149332560).

Almost surely, 2^620304471 is an apocalyptic number.

620304471 is a deficient number, since it is larger than the sum of its proper divisors (275690889).

620304471 is a wasteful number, since it uses less digits than its factorization.

620304471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68922725 (or 68922722 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 620304471 is about 24905.9123703590. The cubic root of 620304471 is about 852.8414577435.

Adding to 620304471 its reverse (174403026), we get a palindrome (794707497).

The spelling of 620304471 in words is "six hundred twenty million, three hundred four thousand, four hundred seventy-one".