30797 has 8 divisors (see below), whose sum is σ = 34944. Its totient is φ = 26928.

The previous prime is 30781. The next prime is 30803. The reversal of 30797 is 79703.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30797 - 2⁴ = 30781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248 + ... + 350.

It is an arithmetic number, because the mean of its divisors is an integer number (4368).

2³⁰⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

30797 is a deficient number, since it is larger than the sum of its proper divisors (4147).

30797 is a wasteful number, since it uses less digits than its factorization.

30797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 30797 is about 175.4907404965. The cubic root of 30797 is about 31.3450863811.

It can be divided in two parts, 307 and 97, that added together give a palindrome (404).

The spelling of 30797 in words is "thirty thousand, seven hundred ninety-seven".