628458367 has 2 divisors, whose sum is σ = 628458368. Its totient is φ = 628458366.

The previous prime is 628458361. The next prime is 628458379. The reversal of 628458367 is 763854826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628458367 - 2³ = 628458359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 628458367.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628458361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314229183 + 314229184.

It is an arithmetic number, because the mean of its divisors is an integer number (314229184).

Almost surely, 2^628458367 is an apocalyptic number.

628458367 is a deficient number, since it is larger than the sum of its proper divisors (1).

628458367 is an equidigital number, since it uses as much as digits as its factorization.

628458367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 49.

The square root of 628458367 is about 25069.0719213935. The cubic root of 628458367 is about 856.5620667118.

The spelling of 628458367 in words is "six hundred twenty-eight million, four hundred fifty-eight thousand, three hundred sixty-seven".