416604421 has 4 divisors (see below), whose sum is σ = 418932000. Its totient is φ = 414276844.

The previous prime is 416604413. The next prime is 416604449. The reversal of 416604421 is 124406614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 416604421 - 2³ = 416604413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 416604421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416604481) 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, 1163521 + ... + 1163878.

It is an arithmetic number, because the mean of its divisors is an integer number (104733000).

Almost surely, 2^416604421 is an apocalyptic number.

It is an amenable number.

416604421 is a deficient number, since it is larger than the sum of its proper divisors (2327579).

416604421 is a wasteful number, since it uses less digits than its factorization.

416604421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327578.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 416604421 is about 20410.8897650249. The cubic root of 416604421 is about 746.8635961705.

The spelling of 416604421 in words is "four hundred sixteen million, six hundred four thousand, four hundred twenty-one".