29161588 has 12 divisors (see below), whose sum is σ = 52792740. Its totient is φ = 14077952.

The previous prime is 29161577. The next prime is 29161589. The reversal of 29161588 is 88516192.

It can be written as a sum of positive squares in 2 ways, for example, as 13337104 + 15824484 = 3652^2 + 3978^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29161588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29161589) 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, 125581 + ... + 125812.

It is an arithmetic number, because the mean of its divisors is an integer number (4399395).

Almost surely, 2^29161588 is an apocalyptic number.

29161588 is the 2887-th centered heptagonal number.

It is an amenable number.

29161588 is a deficient number, since it is larger than the sum of its proper divisors (23631152).

29161588 is a wasteful number, since it uses less digits than its factorization.

29161588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251426 (or 251424 counting only the distinct ones).

The product of its digits is 34560, while the sum is 40.

The square root of 29161588 is about 5400.1470350352. The cubic root of 29161588 is about 307.8012576292.

The spelling of 29161588 in words is "twenty-nine million, one hundred sixty-one thousand, five hundred eighty-eight".