30197288 has 32 divisors (see below), whose sum is σ = 61992000. Its totient is φ = 13676160.

The previous prime is 30197273. The next prime is 30197303. The reversal of 30197288 is 88279103.

It is an interprime number because it is at equal distance from previous prime (30197273) and next prime (30197303).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35573 + ... + 36411.

It is an arithmetic number, because the mean of its divisors is an integer number (1937250).

Almost surely, 2^30197288 is an apocalyptic number.

It is an amenable number.

30197288 is an abundant number, since it is smaller than the sum of its proper divisors (31794712).

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

30197288 is a wasteful number, since it uses less digits than its factorization.

30197288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 30197288 is about 5495.2059106097. The cubic root of 30197288 is about 311.4028959077.

The spelling of 30197288 in words is "thirty million, one hundred ninety-seven thousand, two hundred eighty-eight".