29141885 has 4 divisors (see below), whose sum is σ = 34970268. Its totient is φ = 23313504.

The previous prime is 29141821. The next prime is 29141887. The reversal of 29141885 is 58814192.

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 10797796 + 18344089 = 3286^2 + 4283^2 .

It is a cyclic number.

It is not a de Polignac number, because 29141885 - 2⁶ = 29141821 is a prime.

It is a super-2 number, since 2×29141885² = 1698498922706450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29141887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2914184 + ... + 2914193.

It is an arithmetic number, because the mean of its divisors is an integer number (8742567).

Almost surely, 2^29141885 is an apocalyptic number.

It is an amenable number.

29141885 is a deficient number, since it is larger than the sum of its proper divisors (5828383).

29141885 is an equidigital number, since it uses as much as digits as its factorization.

29141885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828382.

The product of its digits is 23040, while the sum is 38.

The square root of 29141885 is about 5398.3224246056. The cubic root of 29141885 is about 307.7319201324.

The spelling of 29141885 in words is "twenty-nine million, one hundred forty-one thousand, eight hundred eighty-five".