628264149 has 16 divisors (see below), whose sum is σ = 869229120. Its totient is φ = 403159680.

The previous prime is 628264139. The next prime is 628264151. The reversal of 628264149 is 941462826.

628264149 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 628264149 - 2⁸ = 628263893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 628264149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628264139) 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, 17889 + ... + 39705.

It is an arithmetic number, because the mean of its divisors is an integer number (54326820).

Almost surely, 2^628264149 is an apocalyptic number.

It is an amenable number.

628264149 is a deficient number, since it is larger than the sum of its proper divisors (240964971).

628264149 is a wasteful number, since it uses less digits than its factorization.

628264149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22180.

The product of its digits is 165888, while the sum is 42.

The square root of 628264149 is about 25065.1979645085. The cubic root of 628264149 is about 856.4738206585.

The spelling of 628264149 in words is "six hundred twenty-eight million, two hundred sixty-four thousand, one hundred forty-nine".