628199098 has 16 divisors (see below), whose sum is σ = 968548104. Its totient is φ = 305363520.

The previous prime is 628199087. The next prime is 628199101. The reversal of 628199098 is 890991826.

It can be written as a sum of positive squares in 4 ways, for example, as 609250489 + 18948609 = 24683^2 + 4353^2 .

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, 117336 + ... + 122572.

Almost surely, 2^628199098 is an apocalyptic number.

628199098 is a deficient number, since it is larger than the sum of its proper divisors (340349006).

628199098 is a wasteful number, since it uses less digits than its factorization.

628199098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6897.

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 628199098 is about 25063.9002950459. The cubic root of 628199098 is about 856.4442596310. Note that the first 3 decimals are identical.

It can be divided in two parts, 62819 and 9098, that added together give a palindrome (71917).

The spelling of 628199098 in words is "six hundred twenty-eight million, one hundred ninety-nine thousand, ninety-eight".