620863248 has 80 divisors (see below), whose sum is σ = 1637145216. Its totient is φ = 202705920.

The previous prime is 620863231. The next prime is 620863259. The reversal of 620863248 is 842368026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584638 + ... + 585698.

Almost surely, 2^620863248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620863248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818572608).

620863248 is an abundant number, since it is smaller than the sum of its proper divisors (1016281968).

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

620863248 is a wasteful number, since it uses less digits than its factorization.

620863248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 620863248 is about 24917.1276033174. The cubic root of 620863248 is about 853.0974638350.

The spelling of 620863248 in words is "six hundred twenty million, eight hundred sixty-three thousand, two hundred forty-eight".