628498 has 16 divisors (see below), whose sum is σ = 1060416. Its totient is φ = 277200.

The previous prime is 628493. The next prime is 628499. The reversal of 628498 is 894826.

It is not an unprimeable number, because it can be changed into a prime (628493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (66276).

2⁶²⁸⁴⁹⁸ is an apocalyptic number.

628498 is a deficient number, since it is larger than the sum of its proper divisors (431918).

628498 is a wasteful number, since it uses less digits than its factorization.

628498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089.

The product of its digits is 27648, while the sum is 37.

The square root of 628498 is about 792.7786576340. The cubic root of 628498 is about 85.6580072365.

The spelling of 628498 in words is "six hundred twenty-eight thousand, four hundred ninety-eight".