30646342 has 16 divisors (see below), whose sum is σ = 48790512. Its totient is φ = 14387200.

The previous prime is 30646313. The next prime is 30646351. The reversal of 30646342 is 24364603.

It is a self number, because there is not a number n which added to its sum of digits gives 30646342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18342 + ... + 19942.

It is an arithmetic number, because the mean of its divisors is an integer number (3049407).

Almost surely, 2^30646342 is an apocalyptic number.

30646342 is a deficient number, since it is larger than the sum of its proper divisors (18144170).

30646342 is a wasteful number, since it uses less digits than its factorization.

30646342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 30646342 is about 5535.9138360347. The cubic root of 30646342 is about 312.9388973193.

The spelling of 30646342 in words is "thirty million, six hundred forty-six thousand, three hundred forty-two".