413705621 has 16 divisors (see below), whose sum is σ = 497441280. Its totient is φ = 336597120.

The previous prime is 413705603. The next prime is 413705627. The reversal of 413705621 is 126507314.

It is a cyclic number.

It is not a de Polignac number, because 413705621 - 2¹⁰ = 413704597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413705627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8861 + ... + 30098.

It is an arithmetic number, because the mean of its divisors is an integer number (31090080).

Almost surely, 2^413705621 is an apocalyptic number.

413705621 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

413705621 is a deficient number, since it is larger than the sum of its proper divisors (83735659).

413705621 is a wasteful number, since it uses less digits than its factorization.

413705621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39044.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 413705621 is about 20339.7546937027. The cubic root of 413705621 is about 745.1272974374.

The spelling of 413705621 in words is "four hundred thirteen million, seven hundred five thousand, six hundred twenty-one".