29316420 has 144 divisors (see below), whose sum is σ = 103783680. Its totient is φ = 6559488.

The previous prime is 29316401. The next prime is 29316433. The reversal of 29316420 is 2461392.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66561 + ... + 66999.

It is an arithmetic number, because the mean of its divisors is an integer number (720720).

Almost surely, 2^29316420 is an apocalyptic number.

29316420 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 29316420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51891840).

29316420 is an abundant number, since it is smaller than the sum of its proper divisors (74467260).

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

29316420 is a wasteful number, since it uses less digits than its factorization.

29316420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 29316420 is about 5414.4639623882. The cubic root of 29316420 is about 308.3450481711.

The spelling of 29316420 in words is "twenty-nine million, three hundred sixteen thousand, four hundred twenty".