620963652 has 48 divisors (see below), whose sum is σ = 1476280512. Its totient is φ = 203095680.

The previous prime is 620963647. The next prime is 620963663. The reversal of 620963652 is 256369026.

It is a self number, because there is not a number n which added to its sum of digits gives 620963652.

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, 406963 + ... + 408485.

It is an arithmetic number, because the mean of its divisors is an integer number (30755844).

Almost surely, 2^620963652 is an apocalyptic number.

It is an amenable number.

620963652 is an abundant number, since it is smaller than the sum of its proper divisors (855316860).

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

620963652 is a wasteful number, since it uses less digits than its factorization.

620963652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 620963652 is about 24919.1422805842. The cubic root of 620963652 is about 853.1434480788.

The spelling of 620963652 in words is "six hundred twenty million, nine hundred sixty-three thousand, six hundred fifty-two".