16429844 has 6 divisors (see below), whose sum is σ = 28752234. Its totient is φ = 8214920.

The previous prime is 16429823. The next prime is 16429849. The reversal of 16429844 is 44892461.

It can be written as a sum of positive squares in only one way, i.e., 10368400 + 6061444 = 3220^2 + 2462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16429798 and 16429807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16429849) 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 as a sum of consecutive naturals, namely, 2053727 + ... + 2053734.

It is an arithmetic number, because the mean of its divisors is an integer number (4792039).

Almost surely, 2^16429844 is an apocalyptic number.

It is an amenable number.

16429844 is a deficient number, since it is larger than the sum of its proper divisors (12322390).

16429844 is a wasteful number, since it uses less digits than its factorization.

16429844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107465 (or 4107463 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 16429844 is about 4053.3743967218. The cubic root of 16429844 is about 254.2208383802.

The spelling of 16429844 in words is "sixteen million, four hundred twenty-nine thousand, eight hundred forty-four".