628889253 has 8 divisors (see below), whose sum is σ = 874976448. Its totient is φ = 401030784.

The previous prime is 628889221. The next prime is 628889291. The reversal of 628889253 is 352988826.

628889253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 628889253 - 2⁵ = 628889221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 628889196 and 628889205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628889203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4557100 + ... + 4557237.

It is an arithmetic number, because the mean of its divisors is an integer number (109372056).

Almost surely, 2^628889253 is an apocalyptic number.

It is an amenable number.

628889253 is a deficient number, since it is larger than the sum of its proper divisors (246087195).

628889253 is a wasteful number, since it uses less digits than its factorization.

628889253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114363.

The product of its digits is 1658880, while the sum is 51.

The square root of 628889253 is about 25077.6644247426. The cubic root of 628889253 is about 856.7577817631.

The spelling of 628889253 in words is "six hundred twenty-eight million, eight hundred eighty-nine thousand, two hundred fifty-three".