30204849 has 4 divisors (see below), whose sum is σ = 40273136. Its totient is φ = 20136564.

The previous prime is 30204841. The next prime is 30204857. The reversal of 30204849 is 94840203.

It is a happy number.

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: 94840203 = 3 ⋅31613401.

It is an interprime number because it is at equal distance from previous prime (30204841) and next prime (30204857).

It is not a de Polignac number, because 30204849 - 2³ = 30204841 is a prime.

It is a super-2 number, since 2×30204849² = 1824665806225602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30204841) 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, 5034139 + ... + 5034144.

It is an arithmetic number, because the mean of its divisors is an integer number (10068284).

Almost surely, 2^30204849 is an apocalyptic number.

It is an amenable number.

30204849 is a deficient number, since it is larger than the sum of its proper divisors (10068287).

30204849 is a wasteful number, since it uses less digits than its factorization.

30204849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068286.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 30204849 is about 5495.8938308523. The cubic root of 30204849 is about 311.4288841224.

The spelling of 30204849 in words is "thirty million, two hundred four thousand, eight hundred forty-nine".