620439483 has 18 divisors (see below), whose sum is σ = 843019284. Its totient is φ = 405889344.

The previous prime is 620439481. The next prime is 620439493. The reversal of 620439483 is 384934026.

It is not a de Polignac number, because 620439483 - 2¹ = 620439481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620439481) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 3149341 + ... + 3149537.

Almost surely, 2^620439483 is an apocalyptic number.

620439483 is a deficient number, since it is larger than the sum of its proper divisors (222579801).

620439483 is an frugal number, since it uses more digits than its factorization.

620439483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 620439483 is about 24908.6226636480. The cubic root of 620439483 is about 852.9033281547.

The spelling of 620439483 in words is "six hundred twenty million, four hundred thirty-nine thousand, four hundred eighty-three".