16430401 has 8 divisors (see below), whose sum is σ = 18071424. Its totient is φ = 14843280.

The previous prime is 16430389. The next prime is 16430419. The reversal of 16430401 is 10403461.

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 16430401 - 2⁵ = 16430369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16430471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12835 + ... + 14056.

It is an arithmetic number, because the mean of its divisors is an integer number (2258928).

Almost surely, 2^16430401 is an apocalyptic number.

It is an amenable number.

16430401 is a deficient number, since it is larger than the sum of its proper divisors (1641023).

16430401 is a wasteful number, since it uses less digits than its factorization.

16430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26951.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 16430401 is about 4053.4431043250. The cubic root of 16430401 is about 254.2237111891.

Adding to 16430401 its reverse (10403461), we get a palindrome (26833862).

The spelling of 16430401 in words is "sixteen million, four hundred thirty thousand, four hundred one".