29893980 has 48 divisors (see below), whose sum is σ = 84549024. Its totient is φ = 7891200.

The previous prime is 29893967. The next prime is 29894003. The reversal of 29893980 is 8939892.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3594 + ... + 8526.

It is an arithmetic number, because the mean of its divisors is an integer number (1761438).

Almost surely, 2^29893980 is an apocalyptic number.

29893980 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 29893980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42274512).

29893980 is an abundant number, since it is smaller than the sum of its proper divisors (54655044).

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

29893980 is a wasteful number, since it uses less digits than its factorization.

29893980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046 (or 5044 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 29893980 is about 5467.5387515773. The cubic root of 29893980 is about 310.3567865719.

The spelling of 29893980 in words is "twenty-nine million, eight hundred ninety-three thousand, nine hundred eighty".