620836216 has 64 divisors (see below), whose sum is σ = 1562964480. Its totient is φ = 223274880.

The previous prime is 620836213. The next prime is 620836253. The reversal of 620836216 is 612638026.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620836213) 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, 30756 + ... + 46771.

It is an arithmetic number, because the mean of its divisors is an integer number (24421320).

Almost surely, 2^620836216 is an apocalyptic number.

It is an amenable number.

620836216 is an abundant number, since it is smaller than the sum of its proper divisors (942128264).

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

620836216 is a wasteful number, since it uses less digits than its factorization.

620836216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77564 (or 77560 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 620836216 is about 24916.5851592870. The cubic root of 620836216 is about 853.0850825442.

It can be divided in two parts, 6208 and 36216, that added together give a palindrome (42424).

The spelling of 620836216 in words is "six hundred twenty million, eight hundred thirty-six thousand, two hundred sixteen".