30197441 has 16 divisors (see below), whose sum is σ = 33116160. Its totient is φ = 27429840.

The previous prime is 30197429. The next prime is 30197467. The reversal of 30197441 is 14479103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30197441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30197471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98210 + ... + 98516.

It is an arithmetic number, because the mean of its divisors is an integer number (2069760).

Almost surely, 2^30197441 is an apocalyptic number.

30197441 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30197441 is the 3173-rd octagonal number.

It is an amenable number.

30197441 is a deficient number, since it is larger than the sum of its proper divisors (2918719).

30197441 is a wasteful number, since it uses less digits than its factorization.

30197441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 30197441 is about 5495.2198318175. The cubic root of 30197441 is about 311.4034218331.

The spelling of 30197441 in words is "thirty million, one hundred ninety-seven thousand, four hundred forty-one".