41403661 has 8 divisors (see below), whose sum is σ = 44641184. Its totient is φ = 38173680.

The previous prime is 41403647. The next prime is 41403671. The reversal of 41403661 is 16630414.

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 41403661 - 2⁷ = 41403533 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 (41403671) 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, 15550 + ... + 18016.

It is an arithmetic number, because the mean of its divisors is an integer number (5580148).

Almost surely, 2^41403661 is an apocalyptic number.

It is an amenable number.

41403661 is a deficient number, since it is larger than the sum of its proper divisors (3237523).

41403661 is a wasteful number, since it uses less digits than its factorization.

41403661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 41403661 is about 6434.5676622443. The cubic root of 41403661 is about 345.9496652362.

The spelling of 41403661 in words is "forty-one million, four hundred three thousand, six hundred sixty-one".