628090 has 16 divisors (see below), whose sum is σ = 1143072. Its totient is φ = 248464.

The previous prime is 628063. The next prime is 628093. The reversal of 628090 is 90826.

It is a super-3 number, since 3×628090³ = 743338952823387000, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (628093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 777 + ... + 1363.

It is an arithmetic number, because the mean of its divisors is an integer number (71442).

2⁶²⁸⁰⁹⁰ is an apocalyptic number.

628090 is a deficient number, since it is larger than the sum of its proper divisors (514982).

628090 is a wasteful number, since it uses less digits than its factorization.

628090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 628090 is about 792.5212930893. The cubic root of 628090 is about 85.6394677810.

The spelling of 628090 in words is "six hundred twenty-eight thousand, ninety".