628392143 has 2 divisors, whose sum is σ = 628392144. Its totient is φ = 628392142.

The previous prime is 628392139. The next prime is 628392157. The reversal of 628392143 is 341293826.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 628392143 - 2² = 628392139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 628392097 and 628392106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628392133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314196071 + 314196072.

It is an arithmetic number, because the mean of its divisors is an integer number (314196072).

Almost surely, 2^628392143 is an apocalyptic number.

628392143 is a deficient number, since it is larger than the sum of its proper divisors (1).

628392143 is an equidigital number, since it uses as much as digits as its factorization.

628392143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 628392143 is about 25067.7510558885. The cubic root of 628392143 is about 856.5319788217.

The spelling of 628392143 in words is "six hundred twenty-eight million, three hundred ninety-two thousand, one hundred forty-three".