29899900 has 18 divisors (see below), whose sum is σ = 64883000. Its totient is φ = 11959920.

The previous prime is 29899879. The next prime is 29899907. The reversal of 29899900 is 999892.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29899907) 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 5 ways as a sum of consecutive naturals, for example, 149400 + ... + 149599.

Almost surely, 2^29899900 is an apocalyptic number.

29899900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29899900 is an abundant number, since it is smaller than the sum of its proper divisors (34983100).

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

29899900 is a wasteful number, since it uses less digits than its factorization.

29899900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299013 (or 299006 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 29899900 is about 5468.0801018273. The cubic root of 29899900 is about 310.3772722005.

The spelling of 29899900 in words is "twenty-nine million, eight hundred ninety-nine thousand, nine hundred".