1416399 has 4 divisors (see below), whose sum is σ = 1888536. Its totient is φ = 944264.

The previous prime is 1416341. The next prime is 1416433. The reversal of 1416399 is 9936141.

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 1416399 - 2⁸ = 1416143 is a prime.

It is a super-2 number, since 2×1416399² = 4012372254402, which contains 22 as substring.

It is a D-number.

1416399 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416329) 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 3 ways as a sum of consecutive naturals, for example, 236064 + ... + 236069.

It is an arithmetic number, because the mean of its divisors is an integer number (472134).

2^1416399 is an apocalyptic number.

1416399 is a deficient number, since it is larger than the sum of its proper divisors (472137).

1416399 is an equidigital number, since it uses as much as digits as its factorization.

1416399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472136.

The product of its digits is 5832, while the sum is 33.

The square root of 1416399 is about 1190.1256236213. The cubic root of 1416399 is about 112.3039945061.

The spelling of 1416399 in words is "one million, four hundred sixteen thousand, three hundred ninety-nine".