16426429 has 4 divisors (see below), whose sum is σ = 16444384. Its totient is φ = 16408476.

The previous prime is 16426427. The next prime is 16426433. The reversal of 16426429 is 92462461.

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.

It is a cyclic number.

It is not a de Polignac number, because 16426429 - 2¹ = 16426427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16426394 and 16426403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7527 + ... + 9460.

It is an arithmetic number, because the mean of its divisors is an integer number (4111096).

Almost surely, 2^16426429 is an apocalyptic number.

It is an amenable number.

16426429 is a deficient number, since it is larger than the sum of its proper divisors (17955).

16426429 is an equidigital number, since it uses as much as digits as its factorization.

16426429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17954.

The product of its digits is 20736, while the sum is 34.

The square root of 16426429 is about 4052.9531208737. The cubic root of 16426429 is about 254.2032235990.

The spelling of 16426429 in words is "sixteen million, four hundred twenty-six thousand, four hundred twenty-nine".