29869142 has 12 divisors (see below), whose sum is σ = 45154500. Its totient is φ = 14818488.

The previous prime is 29869117. The next prime is 29869181. The reversal of 29869142 is 24196892.

It is a self number, because there is not a number n which added to its sum of digits gives 29869142.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 59609 + ... + 60107.

It is an arithmetic number, because the mean of its divisors is an integer number (3762875).

Almost surely, 2^29869142 is an apocalyptic number.

29869142 is a deficient number, since it is larger than the sum of its proper divisors (15285358).

29869142 is an equidigital number, since it uses as much as digits as its factorization.

29869142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 674 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 29869142 is about 5465.2668736302. The cubic root of 29869142 is about 310.2708074126.

The spelling of 29869142 in words is "twenty-nine million, eight hundred sixty-nine thousand, one hundred forty-two".