41829821 has 6 divisors (see below), whose sum is σ = 45978366. Its totient is φ = 38027000.

The previous prime is 41829817. The next prime is 41829829. The reversal of 41829821 is 12892814.

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 19456921 = 4730^2 + 4411^2 .

It is not a de Polignac number, because 41829821 - 2² = 41829817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41829829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172730 + ... + 172971.

It is an arithmetic number, because the mean of its divisors is an integer number (7663061).

Almost surely, 2^41829821 is an apocalyptic number.

It is an amenable number.

41829821 is a deficient number, since it is larger than the sum of its proper divisors (4148545).

41829821 is a wasteful number, since it uses less digits than its factorization.

41829821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345723 (or 345712 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 41829821 is about 6467.5977766092. The cubic root of 41829821 is about 347.1325474246.

The spelling of 41829821 in words is "forty-one million, eight hundred twenty-nine thousand, eight hundred twenty-one".