29169990 has 32 divisors (see below), whose sum is σ = 77787360. Its totient is φ = 7778592.

The previous prime is 29169989. The next prime is 29170007. The reversal of 29169990 is 9996192.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53749 + ... + 54288.

It is an arithmetic number, because the mean of its divisors is an integer number (2430855).

Almost surely, 2^29169990 is an apocalyptic number.

29169990 is an abundant number, since it is smaller than the sum of its proper divisors (48617370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29169990 is a wasteful number, since it uses less digits than its factorization.

29169990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108053 (or 108047 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 29169990 is about 5400.9249207890. The cubic root of 29169990 is about 307.8308158942.

The spelling of 29169990 in words is "twenty-nine million, one hundred sixty-nine thousand, nine hundred ninety".