30049933 has 4 divisors (see below), whose sum is σ = 30065248. Its totient is φ = 30034620.

The previous prime is 30049913. The next prime is 30049961. The reversal of 30049933 is 33994003.

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: 33994003 = 29 ⋅1172207.

It is a cyclic number.

It is not a de Polignac number, because 30049933 - 2¹³ = 30041741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30049895 and 30049904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30049913) 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, 4191 + ... + 8812.

It is an arithmetic number, because the mean of its divisors is an integer number (7516312).

Almost surely, 2^30049933 is an apocalyptic number.

It is an amenable number.

30049933 is a deficient number, since it is larger than the sum of its proper divisors (15315).

30049933 is a wasteful number, since it uses less digits than its factorization.

30049933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15314.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 30049933 is about 5481.7819183182. The cubic root of 30049933 is about 310.8955477502.

The spelling of 30049933 in words is "thirty million, forty-nine thousand, nine hundred thirty-three".