29442169 has 4 divisors (see below), whose sum is σ = 29457396. Its totient is φ = 29426944.

The previous prime is 29442167. The next prime is 29442187. The reversal of 29442169 is 96124492.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14348944 + 15093225 = 3788^2 + 3885^2 .

It is a cyclic number.

It is not a de Polignac number, because 29442169 - 2¹ = 29442167 is a prime.

It is a super-2 number, since 2×29442169² = 1733682630849122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29442167) 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, 4204 + ... + 8749.

It is an arithmetic number, because the mean of its divisors is an integer number (7364349).

Almost surely, 2^29442169 is an apocalyptic number.

It is an amenable number.

29442169 is a deficient number, since it is larger than the sum of its proper divisors (15227).

29442169 is a wasteful number, since it uses less digits than its factorization.

29442169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15226.

The product of its digits is 31104, while the sum is 37.

The square root of 29442169 is about 5426.0638588207. The cubic root of 29442169 is about 308.7852880820.

The spelling of 29442169 in words is "twenty-nine million, four hundred forty-two thousand, one hundred sixty-nine".