29789452 has 72 divisors (see below), whose sum is σ = 67970448. Its totient is φ = 11289600.

The previous prime is 29789449. The next prime is 29789453. The reversal of 29789452 is 25498792.

It is a super-2 number, since 2×29789452² = 1774822900920608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29789453) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 88228 + ... + 88564.

It is an arithmetic number, because the mean of its divisors is an integer number (944034).

Almost surely, 2^29789452 is an apocalyptic number.

29789452 is a gapful number since it is divisible by the number (22) 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 29789452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33985224).

29789452 is an abundant number, since it is smaller than the sum of its proper divisors (38180996).

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

29789452 is a wasteful number, since it uses less digits than its factorization.

29789452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 398 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 29789452 is about 5457.9714180270. The cubic root of 29789452 is about 309.9946305001.

The spelling of 29789452 in words is "twenty-nine million, seven hundred eighty-nine thousand, four hundred fifty-two".