29998000 has 80 divisors (see below), whose sum is σ = 74164896. Its totient is φ = 11731200.

The previous prime is 29997991. The next prime is 29998057. The reversal of 29998000 is 89992.

It is a tau number, because it is divible by the number of its divisors (80).

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, 105859 + ... + 106141.

Almost surely, 2^29998000 is an apocalyptic number.

29998000 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 29998000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37082448).

29998000 is an abundant number, since it is smaller than the sum of its proper divisors (44166896).

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

29998000 is a wasteful number, since it uses less digits than its factorization.

29998000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 29998000 is about 5477.0429978228. The cubic root of 29998000 is about 310.7163454808.

The spelling of 29998000 in words is "twenty-nine million, nine hundred ninety-eight thousand".