628474903 has 8 divisors (see below), whose sum is σ = 730431360. Its totient is φ = 529562040.

The previous prime is 628474883. The next prime is 628474927. The reversal of 628474903 is 309474826.

628474903 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 628474903 - 2⁹ = 628474391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628474903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628474943) 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, 760453 + ... + 761278.

It is an arithmetic number, because the mean of its divisors is an integer number (91303920).

Almost surely, 2^628474903 is an apocalyptic number.

628474903 is a deficient number, since it is larger than the sum of its proper divisors (101956457).

628474903 is a wasteful number, since it uses less digits than its factorization.

628474903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521797.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 628474903 is about 25069.4017280030. The cubic root of 628474903 is about 856.5695792679.

The spelling of 628474903 in words is "six hundred twenty-eight million, four hundred seventy-four thousand, nine hundred three".