628392098 has 8 divisors (see below), whose sum is σ = 942814620. Its totient is φ = 314120560.

The previous prime is 628392071. The next prime is 628392133. The reversal of 628392098 is 890293826.

It can be written as a sum of positive squares in 2 ways, for example, as 602555209 + 25836889 = 24547^2 + 5083^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26693 + ... + 44376.

Almost surely, 2^628392098 is an apocalyptic number.

628392098 is a deficient number, since it is larger than the sum of its proper divisors (314422522).

628392098 is a wasteful number, since it uses less digits than its factorization.

628392098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75492.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 628392098 is about 25067.7501583209. The cubic root of 628392098 is about 856.5319583759.

The spelling of 628392098 in words is "six hundred twenty-eight million, three hundred ninety-two thousand, ninety-eight".