16000417 has 4 divisors (see below), whose sum is σ = 16941636. Its totient is φ = 15059200.

The previous prime is 16000409. The next prime is 16000447. The reversal of 16000417 is 71400061.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8946081 + 7054336 = 2991^2 + 2656^2 .

It is a cyclic number.

It is not a de Polignac number, because 16000417 - 2³ = 16000409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16000394 and 16000403.

It is not an unprimeable number, because it can be changed into a prime (16000447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470584 + ... + 470617.

It is an arithmetic number, because the mean of its divisors is an integer number (4235409).

Almost surely, 2^16000417 is an apocalyptic number.

16000417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16000417 is a deficient number, since it is larger than the sum of its proper divisors (941219).

16000417 is an equidigital number, since it uses as much as digits as its factorization.

16000417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941218.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 16000417 is about 4000.0521246604. The cubic root of 16000417 is about 251.9863990728.

Adding to 16000417 its reverse (71400061), we get a palindrome (87400478).

The spelling of 16000417 in words is "sixteen million, four hundred seventeen", and thus it is an aban number.