628322837 has 16 divisors (see below), whose sum is σ = 691215360. Its totient is φ = 569004912.

The previous prime is 628322749. The next prime is 628322867. The reversal of 628322837 is 738223826.

628322837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 628322837 - 2¹⁴ = 628306453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 628322794 and 628322803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628322867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30218 + ... + 46580.

It is an arithmetic number, because the mean of its divisors is an integer number (43200960).

Almost surely, 2^628322837 is an apocalyptic number.

It is an amenable number.

628322837 is a deficient number, since it is larger than the sum of its proper divisors (62892523).

628322837 is a wasteful number, since it uses less digits than its factorization.

628322837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16472.

The product of its digits is 193536, while the sum is 41.

The square root of 628322837 is about 25066.3686440617. The cubic root of 628322837 is about 856.5004884068.

The spelling of 628322837 in words is "six hundred twenty-eight million, three hundred twenty-two thousand, eight hundred thirty-seven".