628288502 has 8 divisors (see below), whose sum is σ = 942871800. Its totient is φ = 313997904.

The previous prime is 628288489. The next prime is 628288511. The reversal of 628288502 is 205882826.

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

It is a self number, because there is not a number n which added to its sum of digits gives 628288502.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 67727 + ... + 76442.

It is an arithmetic number, because the mean of its divisors is an integer number (117858975).

Almost surely, 2^628288502 is an apocalyptic number.

628288502 is a deficient number, since it is larger than the sum of its proper divisors (314583298).

628288502 is a wasteful number, since it uses less digits than its factorization.

628288502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146350.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 628288502 is about 25065.6837528921. The cubic root of 628288502 is about 856.4848868306.

The spelling of 628288502 in words is "six hundred twenty-eight million, two hundred eighty-eight thousand, five hundred two".