620536847 has 8 divisors (see below), whose sum is σ = 709512096. Its totient is φ = 531643392.

The previous prime is 620536843. The next prime is 620536871. The reversal of 620536847 is 748635026.

It is a happy number.

620536847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 620536847 - 2² = 620536843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620536843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3218 + ... + 35375.

It is an arithmetic number, because the mean of its divisors is an integer number (88689012).

Almost surely, 2^620536847 is an apocalyptic number.

620536847 is a deficient number, since it is larger than the sum of its proper divisors (88975249).

620536847 is a wasteful number, since it uses less digits than its factorization.

620536847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40897.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 620536847 is about 24910.5770105793. The cubic root of 620536847 is about 852.9479404757.

The spelling of 620536847 in words is "six hundred twenty million, five hundred thirty-six thousand, eight hundred forty-seven".