29142856 has 16 divisors (see below), whose sum is σ = 55459440. Its totient is φ = 14353680.

The previous prime is 29142851. The next prime is 29142859. The reversal of 29142856 is 65824192.

It is not an unprimeable number, because it can be changed into a prime (29142851) 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, 26650 + ... + 27721.

It is an arithmetic number, because the mean of its divisors is an integer number (3466215).

Almost surely, 2^29142856 is an apocalyptic number.

It is an amenable number.

29142856 is a deficient number, since it is larger than the sum of its proper divisors (26316584).

29142856 is a wasteful number, since it uses less digits than its factorization.

29142856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54444 (or 54440 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 29142856 is about 5398.4123592034. The cubic root of 29142856 is about 307.7353379435.

The spelling of 29142856 in words is "twenty-nine million, one hundred forty-two thousand, eight hundred fifty-six".