29998480 has 20 divisors (see below), whose sum is σ = 69746652. Its totient is φ = 11999360.

The previous prime is 29998471. The next prime is 29998481. The reversal of 29998480 is 8489992.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12054784 + 17943696 = 3472^2 + 4236^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (29998481) 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 3 ways as a sum of consecutive naturals, for example, 187411 + ... + 187570.

Almost surely, 2^29998480 is an apocalyptic number.

29998480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29998480 is an abundant number, since it is smaller than the sum of its proper divisors (39748172).

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

29998480 is a wasteful number, since it uses less digits than its factorization.

29998480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374994 (or 374988 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 29998480 is about 5477.0868169128. The cubic root of 29998480 is about 310.7180027363.

The spelling of 29998480 in words is "twenty-nine million, nine hundred ninety-eight thousand, four hundred eighty".