30403197 has 12 divisors (see below), whose sum is σ = 47908224. Its totient is φ = 18426120.

The previous prime is 30403183. The next prime is 30403213. The reversal of 30403197 is 79130403.

It is not a de Polignac number, because 30403197 - 2⁶ = 30403133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30403197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30403117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153453 + ... + 153650.

It is an arithmetic number, because the mean of its divisors is an integer number (3992352).

Almost surely, 2^30403197 is an apocalyptic number.

It is an amenable number.

30403197 is a deficient number, since it is larger than the sum of its proper divisors (17505027).

30403197 is a wasteful number, since it uses less digits than its factorization.

30403197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307120 (or 307117 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 30403197 is about 5513.9094116607. The cubic root of 30403197 is about 312.1090903040.

The spelling of 30403197 in words is "thirty million, four hundred three thousand, one hundred ninety-seven".