41991949 has 8 divisors (see below), whose sum is σ = 43448832. Its totient is φ = 40541520.

The previous prime is 41991931. The next prime is 41991977. The reversal of 41991949 is 94919914.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41991949 - 2⁹ = 41991437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41991899 and 41991908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41991049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14247 + ... + 16939.

It is an arithmetic number, because the mean of its divisors is an integer number (5431104).

Almost surely, 2^41991949 is an apocalyptic number.

It is an amenable number.

41991949 is a deficient number, since it is larger than the sum of its proper divisors (1456883).

41991949 is a wasteful number, since it uses less digits than its factorization.

41991949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227.

The product of its digits is 104976, while the sum is 46.

The square root of 41991949 is about 6480.1195205027. The cubic root of 41991949 is about 347.5804523625.

The spelling of 41991949 in words is "forty-one million, nine hundred ninety-one thousand, nine hundred forty-nine".