41447939 has 4 divisors (see below), whose sum is σ = 44636256. Its totient is φ = 38259624.

The previous prime is 41447929. The next prime is 41447941. The reversal of 41447939 is 93974414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93974414 = 2 ⋅46987207.

It is not a de Polignac number, because 41447939 - 2²⁰ = 40399363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41447896 and 41447905.

It is not an unprimeable number, because it can be changed into a prime (41447929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594139 + ... + 1594164.

It is an arithmetic number, because the mean of its divisors is an integer number (11159064).

Almost surely, 2^41447939 is an apocalyptic number.

41447939 is a deficient number, since it is larger than the sum of its proper divisors (3188317).

41447939 is a wasteful number, since it uses less digits than its factorization.

41447939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188316.

The product of its digits is 108864, while the sum is 41.

The square root of 41447939 is about 6438.0073780635. The cubic root of 41447939 is about 346.0729434013.

The spelling of 41447939 in words is "forty-one million, four hundred forty-seven thousand, nine hundred thirty-nine".