620696484 has 72 divisors (see below), whose sum is σ = 1674953280. Its totient is φ = 193233600.

The previous prime is 620696473. The next prime is 620696513. The reversal of 620696484 is 484696026.

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, 42174 + ... + 54954.

It is an arithmetic number, because the mean of its divisors is an integer number (23263240).

Almost surely, 2^620696484 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 620696484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837476640).

620696484 is an abundant number, since it is smaller than the sum of its proper divisors (1054256796).

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

620696484 is a wasteful number, since it uses less digits than its factorization.

620696484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12881 (or 12876 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 620696484 is about 24913.7810057004. The cubic root of 620696484 is about 853.0210762755.

The spelling of 620696484 in words is "six hundred twenty million, six hundred ninety-six thousand, four hundred eighty-four".