16414421 has 8 divisors (see below), whose sum is σ = 17218560. Its totient is φ = 15629328.

The previous prime is 16414417. The next prime is 16414427. The reversal of 16414421 is 12441461.

It is a happy number.

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 16414421 - 2² = 16414417 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 (16414427) 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, 2981 + ... + 6458.

It is an arithmetic number, because the mean of its divisors is an integer number (2152320).

Almost surely, 2^16414421 is an apocalyptic number.

It is an amenable number.

16414421 is a deficient number, since it is larger than the sum of its proper divisors (804139).

16414421 is an equidigital number, since it uses as much as digits as its factorization.

16414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523.

The product of its digits is 768, while the sum is 23.

The square root of 16414421 is about 4051.4714610867. The cubic root of 16414421 is about 254.1412662006.

Adding to 16414421 its reverse (12441461), we get a palindrome (28855882).

The spelling of 16414421 in words is "sixteen million, four hundred fourteen thousand, four hundred twenty-one".