414860021 has 4 divisors (see below), whose sum is σ = 426072492. Its totient is φ = 403647552.

The previous prime is 414859987. The next prime is 414860059. The reversal of 414860021 is 120068414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 230280625 + 184579396 = 15175^2 + 13586^2 .

It is a cyclic number.

It is not a de Polignac number, because 414860021 - 2¹⁸ = 414597877 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 (414860071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5606180 + ... + 5606253.

It is an arithmetic number, because the mean of its divisors is an integer number (106518123).

Almost surely, 2^414860021 is an apocalyptic number.

It is an amenable number.

414860021 is a deficient number, since it is larger than the sum of its proper divisors (11212471).

414860021 is a wasteful number, since it uses less digits than its factorization.

414860021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212470.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 414860021 is about 20368.1128482734. The cubic root of 414860021 is about 745.8197190306.

The spelling of 414860021 in words is "four hundred fourteen million, eight hundred sixty thousand, twenty-one".