628190 has 8 divisors (see below), whose sum is σ = 1130760. Its totient is φ = 251272.

The previous prime is 628189. The next prime is 628193. The reversal of 628190 is 91826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×628190² = 789245352200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31400 + ... + 31419.

It is an arithmetic number, because the mean of its divisors is an integer number (141345).

2⁶²⁸¹⁹⁰ is an apocalyptic number.

628190 is a deficient number, since it is larger than the sum of its proper divisors (502570).

628190 is a wasteful number, since it uses less digits than its factorization.

628190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62826.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 628190 is about 792.5843803659. The cubic root of 628190 is about 85.6440125078.

It can be divided in two parts, 628 and 190, that added together give a palindrome (818).

The spelling of 628190 in words is "six hundred twenty-eight thousand, one hundred ninety".