30864197 has 32 divisors (see below), whose sum is σ = 40932864. Its totient is φ = 22579200.

The previous prime is 30864193. The next prime is 30864199. The reversal of 30864197 is 79146803.

It is not a de Polignac number, because 30864197 - 2² = 30864193 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 30864197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30864193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109697 + ... + 109977.

It is an arithmetic number, because the mean of its divisors is an integer number (1279152).

Almost surely, 2^30864197 is an apocalyptic number.

It is an amenable number.

30864197 is a deficient number, since it is larger than the sum of its proper divisors (10068667).

30864197 is a wasteful number, since it uses less digits than its factorization.

30864197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 30864197 is about 5555.5555077778. Note that the first 4 decimals coincide. The cubic root of 30864197 is about 313.6786744953.

The spelling of 30864197 in words is "thirty million, eight hundred sixty-four thousand, one hundred ninety-seven".