29999000 has 64 divisors (see below), whose sum is σ = 71042400. Its totient is φ = 11856000.

The previous prime is 29998973. The next prime is 29999063. The reversal of 29999000 is 99992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130886 + ... + 131114.

Almost surely, 2^29999000 is an apocalyptic number.

29999000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29999000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35521200).

29999000 is an abundant number, since it is smaller than the sum of its proper divisors (41043400).

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

29999000 is a wasteful number, since it uses less digits than its factorization.

29999000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 29999000 is about 5477.1342871980. The cubic root of 29999000 is about 310.7197980765.

It can be divided in two parts, 299 and 99000, that added together give a palindrome (99299).

The spelling of 29999000 in words is "twenty-nine million, nine hundred ninety-nine thousand".