29028900 has 36 divisors (see below), whose sum is σ = 83991152. Its totient is φ = 7740960.

The previous prime is 29028871. The next prime is 29028907. The reversal of 29028900 is 982092.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (29028907) 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 11 ways as a sum of consecutive naturals, for example, 48082 + ... + 48681.

Almost surely, 2^29028900 is an apocalyptic number.

29028900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29028900 is an abundant number, since it is smaller than the sum of its proper divisors (54962252).

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

29028900 is a wasteful number, since it uses less digits than its factorization.

29028900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96780 (or 96773 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 29028900 is about 5387.8474365928. The cubic root of 29028900 is about 307.3337061065. Note that the first 3 decimals are identical.

The spelling of 29028900 in words is "twenty-nine million, twenty-eight thousand, nine hundred".