628443470 has 16 divisors (see below), whose sum is σ = 1167689088. Its totient is φ = 243268320.

The previous prime is 628443469. The next prime is 628443493. The reversal of 628443470 is 74344826.

628443470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013309 + ... + 1013928.

It is an arithmetic number, because the mean of its divisors is an integer number (72980568).

Almost surely, 2^628443470 is an apocalyptic number.

628443470 is a deficient number, since it is larger than the sum of its proper divisors (539245618).

628443470 is a wasteful number, since it uses less digits than its factorization.

628443470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027275.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 628443470 is about 25068.7748005362. The cubic root of 628443470 is about 856.5552986655. Note that the first 3 decimals are identical.

The spelling of 628443470 in words is "six hundred twenty-eight million, four hundred forty-three thousand, four hundred seventy".