627397 has 4 divisors (see below), whose sum is σ = 635040. Its totient is φ = 619756.

The previous prime is 627391. The next prime is 627433. The reversal of 627397 is 793726.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 627397 - 2⁷ = 627269 is a prime.

It is an Ulam number.

It is a Duffinian number.

627397 is a lucky number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627391) 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, 3697 + ... + 3862.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

2⁶²⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

627397 is a deficient number, since it is larger than the sum of its proper divisors (7643).

627397 is an equidigital number, since it uses as much as digits as its factorization.

627397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642.

The product of its digits is 15876, while the sum is 34.

The square root of 627397 is about 792.0839601961. The cubic root of 627397 is about 85.6079595621.

It can be divided in two parts, 627 and 397, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 627397 in words is "six hundred twenty-seven thousand, three hundred ninety-seven".