30192849 has 6 divisors (see below), whose sum is σ = 43611906. Its totient is φ = 20128560.

The previous prime is 30192823. The next prime is 30192887. The reversal of 30192849 is 94829103.

It can be written as a sum of positive squares in only one way, i.e., 17640000 + 12552849 = 4200^2 + 3543^2 .

It is not a de Polignac number, because 30192849 - 2¹³ = 30184657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30192889) 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 5 ways as a sum of consecutive naturals, for example, 1677372 + ... + 1677389.

It is an arithmetic number, because the mean of its divisors is an integer number (7268651).

Almost surely, 2^30192849 is an apocalyptic number.

It is an amenable number.

30192849 is a deficient number, since it is larger than the sum of its proper divisors (13419057).

30192849 is a wasteful number, since it uses less digits than its factorization.

30192849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354767 (or 3354764 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 30192849 is about 5494.8019982525. The cubic root of 30192849 is about 311.3876364227.

The spelling of 30192849 in words is "thirty million, one hundred ninety-two thousand, eight hundred forty-nine".