628426516 has 24 divisors (see below), whose sum is σ = 1175557824. Its totient is φ = 293219520.

The previous prime is 628426457. The next prime is 628426517. The reversal of 628426516 is 615624826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628426517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79530 + ... + 87073.

It is an arithmetic number, because the mean of its divisors is an integer number (48981576).

Almost surely, 2^628426516 is an apocalyptic number.

It is an amenable number.

628426516 is a deficient number, since it is larger than the sum of its proper divisors (547131308).

628426516 is a wasteful number, since it uses less digits than its factorization.

628426516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166671 (or 166669 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 628426516 is about 25068.4366485028. The cubic root of 628426516 is about 856.5475959472.

The spelling of 628426516 in words is "six hundred twenty-eight million, four hundred twenty-six thousand, five hundred sixteen".