620379648 has 200 divisors, whose sum is σ = 2117184432. Its totient is φ = 177168384.

The previous prime is 620379637. The next prime is 620379679. The reversal of 620379648 is 846973026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 289236 + ... + 291372.

Almost surely, 2^620379648 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 620379648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058592216).

620379648 is an abundant number, since it is smaller than the sum of its proper divisors (1496804784).

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

620379648 is an equidigital number, since it uses as much as digits as its factorization.

620379648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 620379648 is about 24907.4215445919. The cubic root of 620379648 is about 852.8759093585.

The spelling of 620379648 in words is "six hundred twenty million, three hundred seventy-nine thousand, six hundred forty-eight".