29105986 has 48 divisors (see below), whose sum is σ = 56839104. Its totient is φ = 10883808.

The previous prime is 29105981. The next prime is 29106029. The reversal of 29105986 is 68950192.

It is not an unprimeable number, because it can be changed into a prime (29105981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65481 + ... + 65923.

It is an arithmetic number, because the mean of its divisors is an integer number (1184148).

Almost surely, 2^29105986 is an apocalyptic number.

29105986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29105986 is a deficient number, since it is larger than the sum of its proper divisors (27733118).

29105986 is a wasteful number, since it uses less digits than its factorization.

29105986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 29105986 is about 5394.9963855410. The cubic root of 29105986 is about 307.6055063518.

The spelling of 29105986 in words is "twenty-nine million, one hundred five thousand, nine hundred eighty-six".