16430849 has 8 divisors (see below), whose sum is σ = 17457960. Its totient is φ = 15434496.

The previous prime is 16430831. The next prime is 16430861. The reversal of 16430849 is 94803461.

It can be written as a sum of positive squares in 4 ways, for example, as 970225 + 15460624 = 985^2 + 3932^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16430849 - 2⁸ = 16430593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16430149) 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, 6584 + ... + 8729.

It is an arithmetic number, because the mean of its divisors is an integer number (2182245).

Almost surely, 2^16430849 is an apocalyptic number.

It is an amenable number.

16430849 is a deficient number, since it is larger than the sum of its proper divisors (1027111).

16430849 is a wasteful number, since it uses less digits than its factorization.

16430849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15379.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 16430849 is about 4053.4983656096. The cubic root of 16430849 is about 254.2260217674.

It can be divided in two parts, 164 and 30849, that added together give a palindrome (31013).

The spelling of 16430849 in words is "sixteen million, four hundred thirty thousand, eight hundred forty-nine".