628114933 has 4 divisors (see below), whose sum is σ = 628176780. Its totient is φ = 628053088.

The previous prime is 628114913. The next prime is 628114937. The reversal of 628114933 is 339411826.

628114933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 456164164 + 171950769 = 21358^2 + 13113^2 .

It is a cyclic number.

It is not a de Polignac number, because 628114933 - 2¹⁷ = 627983861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 628114892 and 628114901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628114937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11710 + ... + 37327.

It is an arithmetic number, because the mean of its divisors is an integer number (157044195).

Almost surely, 2^628114933 is an apocalyptic number.

It is an amenable number.

628114933 is a deficient number, since it is larger than the sum of its proper divisors (61847).

628114933 is a wasteful number, since it uses less digits than its factorization.

628114933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61846.

The product of its digits is 31104, while the sum is 37.

The square root of 628114933 is about 25062.2212303698. The cubic root of 628114933 is about 856.4060096288.

The spelling of 628114933 in words is "six hundred twenty-eight million, one hundred fourteen thousand, nine hundred thirty-three".