29159997 has 8 divisors (see below), whose sum is σ = 38992800. Its totient is φ = 19383600.

The previous prime is 29159987. The next prime is 29160029. The reversal of 29159997 is 79995192.

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

It is not a de Polignac number, because 29159997 - 2¹⁰ = 29158973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29159957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12879 + ... + 14972.

It is an arithmetic number, because the mean of its divisors is an integer number (4874100).

Almost surely, 2^29159997 is an apocalyptic number.

It is an amenable number.

29159997 is a deficient number, since it is larger than the sum of its proper divisors (9832803).

29159997 is a wasteful number, since it uses less digits than its factorization.

29159997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28203.

The product of its digits is 459270, while the sum is 51.

The square root of 29159997 is about 5399.9997222222. Note that the first 3 decimals coincide. The cubic root of 29159997 is about 307.7956598464.

The spelling of 29159997 in words is "twenty-nine million, one hundred fifty-nine thousand, nine hundred ninety-seven".