30549906 has 32 divisors (see below), whose sum is σ = 69338880. Its totient is φ = 9965808.

The previous prime is 30549899. The next prime is 30549913. The reversal of 30549906 is 60994503.

It is an interprime number because it is at equal distance from previous prime (30549899) and next prime (30549913).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3481 + ... + 8556.

It is an arithmetic number, because the mean of its divisors is an integer number (2166840).

Almost surely, 2^30549906 is an apocalyptic number.

30549906 is an abundant number, since it is smaller than the sum of its proper divisors (38788974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30549906 is a wasteful number, since it uses less digits than its factorization.

30549906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095 (or 12089 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 30549906 is about 5527.1969387747. The cubic root of 30549906 is about 312.6103068724.

The spelling of 30549906 in words is "thirty million, five hundred forty-nine thousand, nine hundred six".