30946005 has 24 divisors (see below), whose sum is σ = 54149472. Its totient is φ = 16347744.

The previous prime is 30945991. The next prime is 30946009. The reversal of 30946005 is 50064903.

It is a happy number.

It is not a de Polignac number, because 30946005 - 2⁵ = 30945973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30946005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30946009) 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 23 ways as a sum of consecutive naturals, for example, 1602 + ... + 8028.

It is an arithmetic number, because the mean of its divisors is an integer number (2256228).

Almost surely, 2^30946005 is an apocalyptic number.

It is an amenable number.

30946005 is a deficient number, since it is larger than the sum of its proper divisors (23203467).

30946005 is a wasteful number, since it uses less digits than its factorization.

30946005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545 (or 6542 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 30946005 is about 5562.9133554281. The cubic root of 30946005 is about 313.9555733865.

The spelling of 30946005 in words is "thirty million, nine hundred forty-six thousand, five".