30534849 has 12 divisors (see below), whose sum is σ = 44158036. Its totient is φ = 20332512.

The previous prime is 30534821. The next prime is 30534857. The reversal of 30534849 is 94843503.

30534849 is a `hidden beast` number, since 305 + 348 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10284849 + 20250000 = 3207^2 + 4500^2 .

It is not a de Polignac number, because 30534849 - 2²⁰ = 29486273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30534809) 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 11 ways as a sum of consecutive naturals, for example, 9519 + ... + 12315.

Almost surely, 2^30534849 is an apocalyptic number.

It is an amenable number.

30534849 is a deficient number, since it is larger than the sum of its proper divisors (13623187).

30534849 is a wasteful number, since it uses less digits than its factorization.

30534849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 30534849 is about 5525.8346880811. The cubic root of 30534849 is about 312.5589401360.

The spelling of 30534849 in words is "thirty million, five hundred thirty-four thousand, eight hundred forty-nine".