29944861 has 4 divisors (see below), whose sum is σ = 29994012. Its totient is φ = 29895712.

The previous prime is 29944799. The next prime is 29944867. The reversal of 29944861 is 16844992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12355225 + 17589636 = 3515^2 + 4194^2 .

It is a cyclic number.

It is not a de Polignac number, because 29944861 - 2⁹ = 29944349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29944867) 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, 23650 + ... + 24883.

It is an arithmetic number, because the mean of its divisors is an integer number (7498503).

Almost surely, 2^29944861 is an apocalyptic number.

It is an amenable number.

29944861 is a deficient number, since it is larger than the sum of its proper divisors (49151).

29944861 is an equidigital number, since it uses as much as digits as its factorization.

29944861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49150.

The product of its digits is 124416, while the sum is 43.

The square root of 29944861 is about 5472.1897810657. The cubic root of 29944861 is about 310.5327675214.

The spelling of 29944861 in words is "twenty-nine million, nine hundred forty-four thousand, eight hundred sixty-one".