414340021 has 8 divisors (see below), whose sum is σ = 417019904. Its totient is φ = 411667920.

The previous prime is 414340001. The next prime is 414340033. The reversal of 414340021 is 120043414.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-414340021 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 (414340001) 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, 133831 + ... + 136891.

It is an arithmetic number, because the mean of its divisors is an integer number (52127488).

Almost surely, 2^414340021 is an apocalyptic number.

It is an amenable number.

414340021 is a deficient number, since it is larger than the sum of its proper divisors (2679883).

414340021 is a wasteful number, since it uses less digits than its factorization.

414340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 414340021 is about 20355.3437946894. The cubic root of 414340021 is about 745.5079766071.

Adding to 414340021 its reverse (120043414), we get a palindrome (534383435).

The spelling of 414340021 in words is "four hundred fourteen million, three hundred forty thousand, twenty-one".