29145983 has 8 divisors (see below), whose sum is σ = 30581376. Its totient is φ = 27741600.

The previous prime is 29145979. The next prime is 29146049. The reversal of 29145983 is 38954192.

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

It is a cyclic number.

It is not a de Polignac number, because 29145983 - 2² = 29145979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29145983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29145913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5816 + ... + 9597.

It is an arithmetic number, because the mean of its divisors is an integer number (3822672).

Almost surely, 2^29145983 is an apocalyptic number.

29145983 is a deficient number, since it is larger than the sum of its proper divisors (1435393).

29145983 is a wasteful number, since it uses less digits than its factorization.

29145983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15505.

The product of its digits is 77760, while the sum is 41.

The square root of 29145983 is about 5398.7019736229. The cubic root of 29145983 is about 307.7463441170.

The spelling of 29145983 in words is "twenty-nine million, one hundred forty-five thousand, nine hundred eighty-three".