29471997 has 8 divisors (see below), whose sum is σ = 39331840. Its totient is φ = 19630080.

The previous prime is 29471971. The next prime is 29472011. The reversal of 29471997 is 79917492.

It is a happy number.

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

It is not a de Polignac number, because 29471997 - 2¹¹ = 29469949 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 (29471927) 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, 4 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (4916480).

Almost surely, 2^29471997 is an apocalyptic number.

It is an amenable number.

29471997 is a deficient number, since it is larger than the sum of its proper divisors (9859843).

29471997 is a wasteful number, since it uses less digits than its factorization.

29471997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963.

The product of its digits is 285768, while the sum is 48.

The square root of 29471997 is about 5428.8117484400. The cubic root of 29471997 is about 308.8895301635.

The spelling of 29471997 in words is "twenty-nine million, four hundred seventy-one thousand, nine hundred ninety-seven".