628242 has 8 divisors (see below), whose sum is σ = 1256496. Its totient is φ = 209412.

The previous prime is 628231. The next prime is 628261. The reversal of 628242 is 242826.

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

628242 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628242.

It is an unprimeable number.

628242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52348 + ... + 52359.

It is an arithmetic number, because the mean of its divisors is an integer number (157062).

2⁶²⁸²⁴² is an apocalyptic number.

628242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628242 is a wasteful number, since it uses less digits than its factorization.

628242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104712.

The product of its digits is 1536, while the sum is 24.

The square root of 628242 is about 792.6171837653. The cubic root of 628242 is about 85.6463755751.

It can be divided in two parts, 62824 and 2, that added together give a palindrome (62826).

The spelling of 628242 in words is "six hundred twenty-eight thousand, two hundred forty-two".