41978189 has 16 divisors (see below), whose sum is σ = 46717440. Its totient is φ = 37402560.

The previous prime is 41978179. The next prime is 41978203. The reversal of 41978189 is 98187914.

It is a cyclic number.

It is not a de Polignac number, because 41978189 - 2¹⁶ = 41912653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41978119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188132 + ... + 188354.

It is an arithmetic number, because the mean of its divisors is an integer number (2919840).

Almost surely, 2^41978189 is an apocalyptic number.

It is an amenable number.

41978189 is a deficient number, since it is larger than the sum of its proper divisors (4739251).

41978189 is a wasteful number, since it uses less digits than its factorization.

41978189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its digits is 145152, while the sum is 47.

The square root of 41978189 is about 6479.0577247004. The cubic root of 41978189 is about 347.5424829451.

The spelling of 41978189 in words is "forty-one million, nine hundred seventy-eight thousand, one hundred eighty-nine".