414630021 has 16 divisors (see below), whose sum is σ = 595921536. Its totient is φ = 254918976.

The previous prime is 414629987. The next prime is 414630049. The reversal of 414630021 is 120036414.

It is not a de Polignac number, because 414630021 - 2¹³ = 414621829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 414630021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (414630091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43351 + ... + 52043.

It is an arithmetic number, because the mean of its divisors is an integer number (37245096).

Almost surely, 2^414630021 is an apocalyptic number.

It is an amenable number.

414630021 is a deficient number, since it is larger than the sum of its proper divisors (181291515).

414630021 is a wasteful number, since it uses less digits than its factorization.

414630021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9932.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 414630021 is about 20362.4659852386. The cubic root of 414630021 is about 745.6818651064.

Adding to 414630021 its reverse (120036414), we get a palindrome (534666435).

The spelling of 414630021 in words is "four hundred fourteen million, six hundred thirty thousand, twenty-one".