620308416 has 168 divisors, whose sum is σ = 2031821184. Its totient is φ = 163537920.

The previous prime is 620308391. The next prime is 620308421. The reversal of 620308416 is 614803026.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225771 + ... + 228501.

Almost surely, 2^620308416 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 620308416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015910592).

620308416 is an abundant number, since it is smaller than the sum of its proper divisors (1411512768).

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

620308416 is a wasteful number, since it uses less digits than its factorization.

620308416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779 (or 2756 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 620308416 is about 24905.9915682954. The cubic root of 620308416 is about 852.8432657010.

The spelling of 620308416 in words is "six hundred twenty million, three hundred eight thousand, four hundred sixteen".