17946042 has 16 divisors (see below), whose sum is σ = 36122592. Its totient is φ = 5943600.

The previous prime is 17946023. The next prime is 17946059. The reversal of 17946042 is 24064971.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 17945994 and 17946012.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8584 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (2257662).

Almost surely, 2^17946042 is an apocalyptic number.

17946042 is an abundant number, since it is smaller than the sum of its proper divisors (18176550).

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

17946042 is a wasteful number, since it uses less digits than its factorization.

17946042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19213.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 17946042 is about 4236.2769031309. The cubic root of 17946042 is about 261.8120070136.

The spelling of 17946042 in words is "seventeen million, nine hundred forty-six thousand, forty-two".