29428956 has 36 divisors (see below), whose sum is σ = 75976992. Its totient is φ = 9600384.

The previous prime is 29428943. The next prime is 29428979. The reversal of 29428956 is 65982492.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7005 + ... + 10388.

It is an arithmetic number, because the mean of its divisors is an integer number (2110472).

Almost surely, 2^29428956 is an apocalyptic number.

It is an amenable number.

29428956 is an abundant number, since it is smaller than the sum of its proper divisors (46548036).

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

29428956 is a wasteful number, since it uses less digits than its factorization.

29428956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17450 (or 17445 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 29428956 is about 5424.8461729343. The cubic root of 29428956 is about 308.7390891477.

The spelling of 29428956 in words is "twenty-nine million, four hundred twenty-eight thousand, nine hundred fifty-six".