29142893 has 8 divisors (see below), whose sum is σ = 31501848. Its totient is φ = 26800704.

The previous prime is 29142889. The next prime is 29142901. The reversal of 29142893 is 39824192.

It can be written as a sum of positive squares in 4 ways, for example, as 4489 + 29138404 = 67^2 + 5398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29142893 - 2² = 29142889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29142833) 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 7 ways as a sum of consecutive naturals, for example, 446 + ... + 7647.

It is an arithmetic number, because the mean of its divisors is an integer number (3937731).

Almost surely, 2^29142893 is an apocalyptic number.

It is an amenable number.

29142893 is a deficient number, since it is larger than the sum of its proper divisors (2358955).

29142893 is a wasteful number, since it uses less digits than its factorization.

29142893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383.

The product of its digits is 31104, while the sum is 38.

The square root of 29142893 is about 5398.4157861358. The cubic root of 29142893 is about 307.7354681779.

The spelling of 29142893 in words is "twenty-nine million, one hundred forty-two thousand, eight hundred ninety-three".