29116397 has 4 divisors (see below), whose sum is σ = 29129436. Its totient is φ = 29103360.

The previous prime is 29116387. The next prime is 29116411. The reversal of 29116397 is 79361192.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17732521 + 11383876 = 4211^2 + 3374^2 .

It is a cyclic number.

It is not a de Polignac number, because 29116397 - 2⁶ = 29116333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29116397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29116357) 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, 2228 + ... + 7949.

It is an arithmetic number, because the mean of its divisors is an integer number (7282359).

Almost surely, 2^29116397 is an apocalyptic number.

It is an amenable number.

29116397 is a deficient number, since it is larger than the sum of its proper divisors (13039).

29116397 is a wasteful number, since it uses less digits than its factorization.

29116397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13038.

The product of its digits is 20412, while the sum is 38.

The square root of 29116397 is about 5395.9611748047. The cubic root of 29116397 is about 307.6421780656.

The spelling of 29116397 in words is "twenty-nine million, one hundred sixteen thousand, three hundred ninety-seven".