29409128 has 16 divisors (see below), whose sum is σ = 63019680. Its totient is φ = 12603888.

The previous prime is 29409109. The next prime is 29409143. The reversal of 29409128 is 82190492.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 262526 + ... + 262637.

It is an arithmetic number, because the mean of its divisors is an integer number (3938730).

Almost surely, 2^29409128 is an apocalyptic number.

29409128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29409128 is an abundant number, since it is smaller than the sum of its proper divisors (33610552).

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

29409128 is a wasteful number, since it uses less digits than its factorization.

29409128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525176 (or 525172 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 29409128 is about 5423.0183477469. The cubic root of 29409128 is about 308.6697350732.

The spelling of 29409128 in words is "twenty-nine million, four hundred nine thousand, one hundred twenty-eight".