29820441 has 16 divisors (see below), whose sum is σ = 45553664. Its totient is φ = 16997904.

The previous prime is 29820437. The next prime is 29820451. The reversal of 29820441 is 14402892.

It is not a de Polignac number, because 29820441 - 2² = 29820437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29820399 and 29820408.

It is not an unprimeable number, because it can be changed into a prime (29820451) 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 15 ways as a sum of consecutive naturals, for example, 8190 + ... + 11256.

It is an arithmetic number, because the mean of its divisors is an integer number (2847104).

Almost surely, 2^29820441 is an apocalyptic number.

29820441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

29820441 is a deficient number, since it is larger than the sum of its proper divisors (15733223).

29820441 is a wasteful number, since it uses less digits than its factorization.

29820441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 29820441 is about 5460.8095553681. The cubic root of 29820441 is about 310.1020856988.

The spelling of 29820441 in words is "twenty-nine million, eight hundred twenty thousand, four hundred forty-one".