16039429 has 4 divisors (see below), whose sum is σ = 18330784. Its totient is φ = 13748076.

The previous prime is 16039427. The next prime is 16039451. The reversal of 16039429 is 92493061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92493061 = 59 ⋅1567679.

It is a cyclic number.

It is not a de Polignac number, because 16039429 - 2¹ = 16039427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16039394 and 16039403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16039421) 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, 1145667 + ... + 1145680.

It is an arithmetic number, because the mean of its divisors is an integer number (4582696).

Almost surely, 2^16039429 is an apocalyptic number.

It is an amenable number.

16039429 is a deficient number, since it is larger than the sum of its proper divisors (2291355).

16039429 is an equidigital number, since it uses as much as digits as its factorization.

16039429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291354.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 16039429 is about 4004.9255923175. The cubic root of 16039429 is about 252.1910294621.

The spelling of 16039429 in words is "sixteen million, thirty-nine thousand, four hundred twenty-nine".