17961042 has 32 divisors (see below), whose sum is σ = 41253120. Its totient is φ = 5155920.

The previous prime is 17961029. The next prime is 17961043. The reversal of 17961042 is 24016971.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (17961043) 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 15 ways as a sum of consecutive naturals, for example, 5908 + ... + 8415.

It is an arithmetic number, because the mean of its divisors is an integer number (1289160).

Almost surely, 2^17961042 is an apocalyptic number.

17961042 is an abundant number, since it is smaller than the sum of its proper divisors (23292078).

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

17961042 is a wasteful number, since it uses less digits than its factorization.

17961042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14358.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 17961042 is about 4238.0469558512. The cubic root of 17961042 is about 261.8849309198.

The spelling of 17961042 in words is "seventeen million, nine hundred sixty-one thousand, forty-two".