628948533 has 8 divisors (see below), whose sum is σ = 861263008. Its totient is φ = 407966544.

The previous prime is 628948517. The next prime is 628948597. The reversal of 628948533 is 335849826.

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

It is not a de Polignac number, because 628948533 - 2⁴ = 628948517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628928533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2832991 + ... + 2833212.

It is an arithmetic number, because the mean of its divisors is an integer number (107657876).

Almost surely, 2^628948533 is an apocalyptic number.

It is an amenable number.

628948533 is a deficient number, since it is larger than the sum of its proper divisors (232314475).

628948533 is a wasteful number, since it uses less digits than its factorization.

628948533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666243.

The product of its digits is 1244160, while the sum is 48.

The square root of 628948533 is about 25078.8463251402. The cubic root of 628948533 is about 856.7847006551.

The spelling of 628948533 in words is "six hundred twenty-eight million, nine hundred forty-eight thousand, five hundred thirty-three".