628246 has 8 divisors (see below), whose sum is σ = 972864. Its totient is φ = 303960.

The previous prime is 628231. The next prime is 628261. The reversal of 628246 is 642826.

It is an interprime number because it is at equal distance from previous prime (628231) and next prime (628261).

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

It is a congruent number.

It is an unprimeable number.

628246 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, 5005 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (121608).

2⁶²⁸²⁴⁶ is an apocalyptic number.

628246 is a deficient number, since it is larger than the sum of its proper divisors (344618).

628246 is a wasteful number, since it uses less digits than its factorization.

628246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166.

The product of its digits is 4608, while the sum is 28.

The square root of 628246 is about 792.6197070475. The cubic root of 628246 is about 85.6465573441.

It can be divided in two parts, 6282 and 46, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 628246 in words is "six hundred twenty-eight thousand, two hundred forty-six".