41478891 has 4 divisors (see below), whose sum is σ = 55305192. Its totient is φ = 27652592.

The previous prime is 41478883. The next prime is 41478901. The reversal of 41478891 is 19887414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41478891 - 2³ = 41478883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41478491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6913146 + ... + 6913151.

It is an arithmetic number, because the mean of its divisors is an integer number (13826298).

Almost surely, 2^41478891 is an apocalyptic number.

41478891 is a deficient number, since it is larger than the sum of its proper divisors (13826301).

41478891 is a wasteful number, since it uses less digits than its factorization.

41478891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13826300.

The product of its digits is 64512, while the sum is 42.

The square root of 41478891 is about 6440.4107788246. The cubic root of 41478891 is about 346.1590673818.

The spelling of 41478891 in words is "forty-one million, four hundred seventy-eight thousand, eight hundred ninety-one".