627940 has 12 divisors (see below), whose sum is σ = 1318716. Its totient is φ = 251168.

The previous prime is 627919. The next prime is 627943. The reversal of 627940 is 49726.

It can be written as a sum of positive squares in 2 ways, for example, as 246016 + 381924 = 496^2 + 618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 627899 and 627908.

It is not an unprimeable number, because it can be changed into a prime (627943) 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, 15679 + ... + 15718.

It is an arithmetic number, because the mean of its divisors is an integer number (109893).

2⁶²⁷⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

627940 is an abundant number, since it is smaller than the sum of its proper divisors (690776).

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

627940 is a wasteful number, since it uses less digits than its factorization.

627940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31406 (or 31404 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 627940 is about 792.4266527572. The cubic root of 627940 is about 85.6326497863.

The spelling of 627940 in words is "six hundred twenty-seven thousand, nine hundred forty".