628086898 has 8 divisors (see below), whose sum is σ = 983092608. Its totient is φ = 300389364.

The previous prime is 628086889. The next prime is 628086911. The reversal of 628086898 is 898680826.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6826986 + ... + 6827077.

It is an arithmetic number, because the mean of its divisors is an integer number (122886576).

Almost surely, 2^628086898 is an apocalyptic number.

628086898 is a deficient number, since it is larger than the sum of its proper divisors (355005710).

628086898 is a wasteful number, since it uses less digits than its factorization.

628086898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654088.

The product of its (nonzero) digits is 2654208, while the sum is 55.

The square root of 628086898 is about 25061.6619161619. The cubic root of 628086898 is about 856.3932679588.

The spelling of 628086898 in words is "six hundred twenty-eight million, eighty-six thousand, eight hundred ninety-eight".