628467651 has 24 divisors (see below), whose sum is σ = 1040099424. Its totient is φ = 358214400.

The previous prime is 628467649. The next prime is 628467677. The reversal of 628467651 is 156764826.

It is not a de Polignac number, because 628467651 - 2¹ = 628467649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 628467597 and 628467606.

It is not an unprimeable number, because it can be changed into a prime (628467641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12825 + ... + 37701.

It is an arithmetic number, because the mean of its divisors is an integer number (43337476).

Almost surely, 2^628467651 is an apocalyptic number.

628467651 is a deficient number, since it is larger than the sum of its proper divisors (411631773).

628467651 is a wasteful number, since it uses less digits than its factorization.

628467651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25291 (or 25288 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 628467651 is about 25069.2570891122. The cubic root of 628467651 is about 856.5662845903.

The spelling of 628467651 in words is "six hundred twenty-eight million, four hundred sixty-seven thousand, six hundred fifty-one".