30164893 has 4 divisors (see below), whose sum is σ = 32907168. Its totient is φ = 27422620.

The previous prime is 30164873. The next prime is 30164933. The reversal of 30164893 is 39846103.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39846103 = 11 ⋅3622373.

It is a cyclic number.

It is not a de Polignac number, because 30164893 - 2¹³ = 30156701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30164803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371121 + ... + 1371142.

It is an arithmetic number, because the mean of its divisors is an integer number (8226792).

Almost surely, 2^30164893 is an apocalyptic number.

It is an amenable number.

30164893 is a deficient number, since it is larger than the sum of its proper divisors (2742275).

30164893 is a wasteful number, since it uses less digits than its factorization.

30164893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742274.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 30164893 is about 5492.2575504068. The cubic root of 30164893 is about 311.2915006248.

The spelling of 30164893 in words is "thirty million, one hundred sixty-four thousand, eight hundred ninety-three".