16414399 has 4 divisors (see below), whose sum is σ = 16447536. Its totient is φ = 16381264.

The previous prime is 16414393. The next prime is 16414403. The reversal of 16414399 is 99341461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16414399 - 2¹⁷ = 16283327 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 (16414393) 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, 15814 + ... + 16819.

It is an arithmetic number, because the mean of its divisors is an integer number (4111884).

Almost surely, 2^16414399 is an apocalyptic number.

16414399 is a deficient number, since it is larger than the sum of its proper divisors (33137).

16414399 is an equidigital number, since it uses as much as digits as its factorization.

16414399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33136.

The product of its digits is 23328, while the sum is 37.

The square root of 16414399 is about 4051.4687460229. The cubic root of 16414399 is about 254.1411526600.

The spelling of 16414399 in words is "sixteen million, four hundred fourteen thousand, three hundred ninety-nine".