29113947 has 24 divisors (see below), whose sum is σ = 44787600. Its totient is φ = 18171648.

The previous prime is 29113943. The next prime is 29113969. The reversal of 29113947 is 74931192.

It is not a de Polignac number, because 29113947 - 2² = 29113943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29113943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14263 + ... + 16175.

It is an arithmetic number, because the mean of its divisors is an integer number (1866150).

Almost surely, 2^29113947 is an apocalyptic number.

29113947 is a deficient number, since it is larger than the sum of its proper divisors (15673653).

29113947 is a wasteful number, since it uses less digits than its factorization.

29113947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027 (or 2024 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 29113947 is about 5395.7341483806. The cubic root of 29113947 is about 307.6335489705.

The spelling of 29113947 in words is "twenty-nine million, one hundred thirteen thousand, nine hundred forty-seven".