628680846 has 16 divisors (see below), whose sum is σ = 1260082944. Its totient is φ = 209106744.

The previous prime is 628680841. The next prime is 628680851. The reversal of 628680846 is 648086826.

It is a happy number.

628680846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (628680841) and next prime (628680851).

It is a super-2 number, since 2×628680846² = 790479212254551432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 628680795 and 628680804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628680841) 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, 110376 + ... + 115931.

It is an arithmetic number, because the mean of its divisors is an integer number (78755184).

Almost surely, 2^628680846 is an apocalyptic number.

628680846 is an abundant number, since it is smaller than the sum of its proper divisors (631402098).

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

628680846 is a wasteful number, since it uses less digits than its factorization.

628680846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226775.

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 628680846 is about 25073.5088489824. The cubic root of 628680846 is about 856.6631312634.

The spelling of 628680846 in words is "six hundred twenty-eight million, six hundred eighty thousand, eight hundred forty-six".