620755348 has 24 divisors (see below), whose sum is σ = 1095704064. Its totient is φ = 307708800.

The previous prime is 620755321. The next prime is 620755363. The reversal of 620755348 is 843557026.

It is a super-2 number, since 2×620755348² = 770674404141202208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 620755348.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256263 + ... + 258673.

It is an arithmetic number, because the mean of its divisors is an integer number (45654336).

Almost surely, 2^620755348 is an apocalyptic number.

It is an amenable number.

620755348 is a deficient number, since it is larger than the sum of its proper divisors (474948716).

620755348 is a wasteful number, since it uses less digits than its factorization.

620755348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 620755348 is about 24914.9623319001. The cubic root of 620755348 is about 853.0480409551.

The spelling of 620755348 in words is "six hundred twenty million, seven hundred fifty-five thousand, three hundred forty-eight".