30493169 has 4 divisors (see below), whose sum is σ = 34849344. Its totient is φ = 26136996.

The previous prime is 30493129. The next prime is 30493171. The reversal of 30493169 is 96139403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30493169 - 2²⁰ = 29444593 is a prime.

It is a super-2 number, since 2×30493169² = 1859666711325122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30493109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178077 + ... + 2178090.

It is an arithmetic number, because the mean of its divisors is an integer number (8712336).

Almost surely, 2^30493169 is an apocalyptic number.

It is an amenable number.

30493169 is a deficient number, since it is larger than the sum of its proper divisors (4356175).

30493169 is an equidigital number, since it uses as much as digits as its factorization.

30493169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356174.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 30493169 is about 5522.0620242804. The cubic root of 30493169 is about 312.4166612969.

The spelling of 30493169 in words is "thirty million, four hundred ninety-three thousand, one hundred sixty-nine".