420404413 has 8 divisors (see below), whose sum is σ = 493901856. Its totient is φ = 352786800.

The previous prime is 420404401. The next prime is 420404461. The reversal of 420404413 is 314404024.

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

It is a cyclic number.

It is not a de Polignac number, because 420404413 - 2²¹ = 418307261 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 (420404473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469803 + ... + 1470088.

It is an arithmetic number, because the mean of its divisors is an integer number (61737732).

Almost surely, 2^420404413 is an apocalyptic number.

It is an amenable number.

420404413 is a deficient number, since it is larger than the sum of its proper divisors (73497443).

420404413 is a wasteful number, since it uses less digits than its factorization.

420404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939915.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 420404413 is about 20503.7658248430. The cubic root of 420404413 is about 749.1275264839.

Adding to 420404413 its reverse (314404024), we get a palindrome (734808437).

The spelling of 420404413 in words is "four hundred twenty million, four hundred four thousand, four hundred thirteen".