627947 has 2 divisors, whose sum is σ = 627948. Its totient is φ = 627946.

The previous prime is 627943. The next prime is 627953. The reversal of 627947 is 749726.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 627947 - 2² = 627943 is a prime.

It is not a weakly prime, because it can be changed into another prime (627943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313973 + 313974.

It is an arithmetic number, because the mean of its divisors is an integer number (313974).

2⁶²⁷⁹⁴⁷ is an apocalyptic number.

627947 is a deficient number, since it is larger than the sum of its proper divisors (1).

627947 is an equidigital number, since it uses as much as digits as its factorization.

627947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 627947 is about 792.4310695575. The cubic root of 627947 is about 85.6329679835.

The spelling of 627947 in words is "six hundred twenty-seven thousand, nine hundred forty-seven".