30539906 has 16 divisors (see below), whose sum is σ = 48081600. Its totient is φ = 14520528.

The previous prime is 30539891. The next prime is 30539909. The reversal of 30539906 is 60993503.

It is not an unprimeable number, because it can be changed into a prime (30539909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6380 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (3005100).

Almost surely, 2^30539906 is an apocalyptic number.

30539906 is a deficient number, since it is larger than the sum of its proper divisors (17541694).

30539906 is a wasteful number, since it uses less digits than its factorization.

30539906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3913.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 30539906 is about 5526.2922470676. The cubic root of 30539906 is about 312.5761939009.

The spelling of 30539906 in words is "thirty million, five hundred thirty-nine thousand, nine hundred six".