29028864 has 40 divisors (see below), whose sum is σ = 77338800. Its totient is φ = 9675776.

The previous prime is 29028859. The next prime is 29028871. The reversal of 29028864 is 46882092.

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 3 ways as a sum of consecutive naturals, for example, 7914 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (1933470).

Almost surely, 2^29028864 is an apocalyptic number.

29028864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

29028864 is an abundant number, since it is smaller than the sum of its proper divisors (48309936).

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

29028864 is an equidigital number, since it uses as much as digits as its factorization.

29028864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18920 (or 18904 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 29028864 is about 5387.8440957400. The cubic root of 29028864 is about 307.3335790605. Note that the first 3 decimals are identical.

It can be divided in two parts, 29028 and 864, that added together give a palindrome (29892).

The spelling of 29028864 in words is "twenty-nine million, twenty-eight thousand, eight hundred sixty-four".