30338949 has 8 divisors (see below), whose sum is σ = 41215392. Its totient is φ = 19844240.

The previous prime is 30338941. The next prime is 30338963. The reversal of 30338949 is 94983303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30338949 - 2³ = 30338941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30338941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95247 + ... + 95564.

It is an arithmetic number, because the mean of its divisors is an integer number (5151924).

Almost surely, 2^30338949 is an apocalyptic number.

It is an amenable number.

30338949 is a deficient number, since it is larger than the sum of its proper divisors (10876443).

30338949 is a wasteful number, since it uses less digits than its factorization.

30338949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190867.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 30338949 is about 5508.0803371048. The cubic root of 30338949 is about 311.8890857396.

The spelling of 30338949 in words is "thirty million, three hundred thirty-eight thousand, nine hundred forty-nine".