620317099 has 16 divisors (see below), whose sum is σ = 659680000. Its totient is φ = 582266880.

The previous prime is 620317081. The next prime is 620317109. The reversal of 620317099 is 990713026.

It is a cyclic number.

It is not a de Polignac number, because 620317099 - 2⁵ = 620317067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (620317069) 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, 496027 + ... + 497275.

It is an arithmetic number, because the mean of its divisors is an integer number (41230000).

Almost surely, 2^620317099 is an apocalyptic number.

620317099 is a deficient number, since it is larger than the sum of its proper divisors (39362901).

620317099 is a wasteful number, since it uses less digits than its factorization.

620317099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 620317099 is about 24906.1658831704. The cubic root of 620317099 is about 852.8472450138.

The spelling of 620317099 in words is "six hundred twenty million, three hundred seventeen thousand, ninety-nine".