30900842 has 8 divisors (see below), whose sum is σ = 52972896. Its totient is φ = 13243212.

The previous prime is 30900841. The next prime is 30900853. The reversal of 30900842 is 24800903.

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

It is not an unprimeable number, because it can be changed into a prime (30900841) 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 3 ways as a sum of consecutive naturals, for example, 1103588 + ... + 1103615.

It is an arithmetic number, because the mean of its divisors is an integer number (6621612).

Almost surely, 2^30900842 is an apocalyptic number.

30900842 is a deficient number, since it is larger than the sum of its proper divisors (22072054).

30900842 is a wasteful number, since it uses less digits than its factorization.

30900842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207212.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30900842 is about 5558.8525794448. The cubic root of 30900842 is about 313.8027687523.

The spelling of 30900842 in words is "thirty million, nine hundred thousand, eight hundred forty-two".