297628 has 12 divisors (see below), whose sum is σ = 535192. Its totient is φ = 144720.

The previous prime is 297623. The next prime is 297629. The reversal of 297628 is 826792.

It is a junction number, because it is equal to n+sod(n) for n = 297593 and 297602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297623) by changing a digit.

297628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858 + ... + 1153.

2²⁹⁷⁶²⁸ is an apocalyptic number.

It is an amenable number.

297628 is a deficient number, since it is larger than the sum of its proper divisors (237564).

297628 is a wasteful number, since it uses less digits than its factorization.

297628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2050 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 297628 is about 545.5529305210. The cubic root of 297628 is about 66.7663951834.

The spelling of 297628 in words is "two hundred ninety-seven thousand, six hundred twenty-eight".