628343371 has 16 divisors (see below), whose sum is σ = 687955968. Its totient is φ = 572061600.

The previous prime is 628343299. The next prime is 628343389. The reversal of 628343371 is 173343826.

628343371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 628343371 - 2¹¹ = 628341323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 628343371.

It is not an unprimeable number, because it can be changed into a prime (628343971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36270 + ... + 50716.

It is an arithmetic number, because the mean of its divisors is an integer number (42997248).

Almost surely, 2^628343371 is an apocalyptic number.

628343371 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

628343371 is a deficient number, since it is larger than the sum of its proper divisors (59612597).

628343371 is a wasteful number, since it uses less digits than its factorization.

628343371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14562.

The product of its digits is 72576, while the sum is 37.

The square root of 628343371 is about 25066.7782333510. The cubic root of 628343371 is about 856.5098186367.

The spelling of 628343371 in words is "six hundred twenty-eight million, three hundred forty-three thousand, three hundred seventy-one".