628498345 has 16 divisors (see below), whose sum is σ = 789564672. Its totient is φ = 479364160.

The previous prime is 628498303. The next prime is 628498349. The reversal of 628498345 is 543894826.

It is not a de Polignac number, because 628498345 - 2²⁵ = 594943913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628498349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26979 + ... + 44551.

It is an arithmetic number, because the mean of its divisors is an integer number (49347792).

Almost surely, 2^628498345 is an apocalyptic number.

It is an amenable number.

628498345 is a deficient number, since it is larger than the sum of its proper divisors (161066327).

628498345 is a wasteful number, since it uses less digits than its factorization.

628498345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17912.

The product of its digits is 1658880, while the sum is 49.

The square root of 628498345 is about 25069.8692657142. The cubic root of 628498345 is about 856.5802290988.

The spelling of 628498345 in words is "six hundred twenty-eight million, four hundred ninety-eight thousand, three hundred forty-five".