30797196 has 12 divisors (see below), whose sum is σ = 71860152. Its totient is φ = 10265728.

The previous prime is 30797177. The next prime is 30797197. The reversal of 30797196 is 69179703.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (30797197) 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, 1283205 + ... + 1283228.

It is an arithmetic number, because the mean of its divisors is an integer number (5988346).

Almost surely, 2^30797196 is an apocalyptic number.

It is an amenable number.

30797196 is an abundant number, since it is smaller than the sum of its proper divisors (41062956).

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

30797196 is a wasteful number, since it uses less digits than its factorization.

30797196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566440 (or 2566438 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 30797196 is about 5549.5221415902. The cubic root of 30797196 is about 313.4515287703.

The spelling of 30797196 in words is "thirty million, seven hundred ninety-seven thousand, one hundred ninety-six".