628409606 has 8 divisors (see below), whose sum is σ = 1028306664. Its totient is φ = 285640720.

The previous prime is 628409597. The next prime is 628409627. The reversal of 628409606 is 606904826.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14282015 + ... + 14282058.

It is an arithmetic number, because the mean of its divisors is an integer number (128538333).

Almost surely, 2^628409606 is an apocalyptic number.

628409606 is a deficient number, since it is larger than the sum of its proper divisors (399897058).

628409606 is a wasteful number, since it uses less digits than its factorization.

628409606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28564086.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 628409606 is about 25068.0993695174. The cubic root of 628409606 is about 856.5399130814.

The spelling of 628409606 in words is "six hundred twenty-eight million, four hundred nine thousand, six hundred six".