628629105 has 16 divisors (see below), whose sum is σ = 1083176640. Its totient is φ = 309478848.

The previous prime is 628629103. The next prime is 628629119. The reversal of 628629105 is 501926826.

628629105 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 628629105 - 2¹ = 628629103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (628629103) 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, 1611675 + ... + 1612064.

It is an arithmetic number, because the mean of its divisors is an integer number (67698540).

Almost surely, 2^628629105 is an apocalyptic number.

628629105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

628629105 is a deficient number, since it is larger than the sum of its proper divisors (454547535).

628629105 is a wasteful number, since it uses less digits than its factorization.

628629105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223760.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 628629105 is about 25072.4770415689. The cubic root of 628629105 is about 856.6396292361.

The spelling of 628629105 in words is "six hundred twenty-eight million, six hundred twenty-nine thousand, one hundred five".