16842429 has 12 divisors (see below), whose sum is σ = 24375936. Its totient is φ = 11206152.

The previous prime is 16842421. The next prime is 16842433. The reversal of 16842429 is 92424861.

It is not a de Polignac number, because 16842429 - 2³ = 16842421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16842393 and 16842402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16842421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3922 + ... + 7004.

It is an arithmetic number, because the mean of its divisors is an integer number (2031328).

Almost surely, 2^16842429 is an apocalyptic number.

It is an amenable number.

16842429 is a deficient number, since it is larger than the sum of its proper divisors (7533507).

16842429 is a wasteful number, since it uses less digits than its factorization.

16842429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696 (or 3693 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 16842429 is about 4103.9528506064. The cubic root of 16842429 is about 256.3312616360.

It can be divided in two parts, 16842 and 429, that added together give a palindrome (17271).

The spelling of 16842429 in words is "sixteen million, eight hundred forty-two thousand, four hundred twenty-nine".