41809421 has 8 divisors (see below), whose sum is σ = 43974144. Its totient is φ = 39695760.

The previous prime is 41809399. The next prime is 41809433. The reversal of 41809421 is 12490814.

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 41809421 - 2⁶ = 41809357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41809721) 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, 11081 + ... + 14366.

It is an arithmetic number, because the mean of its divisors is an integer number (5496768).

Almost surely, 2^41809421 is an apocalyptic number.

It is an amenable number.

41809421 is a deficient number, since it is larger than the sum of its proper divisors (2164723).

41809421 is a wasteful number, since it uses less digits than its factorization.

41809421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25531.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 41809421 is about 6466.0204917708. The cubic root of 41809421 is about 347.0761071840.

The spelling of 41809421 in words is "forty-one million, eight hundred nine thousand, four hundred twenty-one".