620365424 has 80 divisors (see below), whose sum is σ = 1434283200. Its totient is φ = 254392320.

The previous prime is 620365381. The next prime is 620365451. The reversal of 620365424 is 424563026.

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 15 ways as a sum of consecutive naturals, for example, 242102 + ... + 244650.

It is an arithmetic number, because the mean of its divisors is an integer number (17928540).

Almost surely, 2^620365424 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 620365424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717141600).

620365424 is an abundant number, since it is smaller than the sum of its proper divisors (813917776).

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

620365424 is a wasteful number, since it uses less digits than its factorization.

620365424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 620365424 is about 24907.1360055708. The cubic root of 620365424 is about 852.8693910919.

The spelling of 620365424 in words is "six hundred twenty million, three hundred sixty-five thousand, four hundred twenty-four".