413941021 has 8 divisors (see below), whose sum is σ = 446160344. Its totient is φ = 381775680.

The previous prime is 413941013. The next prime is 413941037. The reversal of 413941021 is 120149314.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 75012921 + 338928100 = 8661^2 + 18410^2 .

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

It is not a de Polignac number, because 413941021 - 2³ = 413941013 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 (413941061) 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, 3211 + ... + 28951.

It is an arithmetic number, because the mean of its divisors is an integer number (55770043).

Almost surely, 2^413941021 is an apocalyptic number.

It is an amenable number.

413941021 is a deficient number, since it is larger than the sum of its proper divisors (32219323).

413941021 is a wasteful number, since it uses less digits than its factorization.

413941021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26991.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 413941021 is about 20345.5405678984. The cubic root of 413941021 is about 745.2685973530.

The spelling of 413941021 in words is "four hundred thirteen million, nine hundred forty-one thousand, twenty-one".