30049844 has 12 divisors (see below), whose sum is σ = 57367968. Its totient is φ = 13659000.

The previous prime is 30049841. The next prime is 30049847. The reversal of 30049844 is 44894003.

It is an interprime number because it is at equal distance from previous prime (30049841) and next prime (30049847).

It is a self number, because there is not a number n which added to its sum of digits gives 30049844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30049841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341432 + ... + 341519.

It is an arithmetic number, because the mean of its divisors is an integer number (4780664).

Almost surely, 2^30049844 is an apocalyptic number.

It is an amenable number.

30049844 is a deficient number, since it is larger than the sum of its proper divisors (27318124).

30049844 is a wasteful number, since it uses less digits than its factorization.

30049844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682966 (or 682964 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 30049844 is about 5481.7738005138. The cubic root of 30049844 is about 310.8952408197.

The spelling of 30049844 in words is "thirty million, forty-nine thousand, eight hundred forty-four".