29628861 has 8 divisors (see below), whose sum is σ = 39535200. Its totient is φ = 19737552.

The previous prime is 29628827. The next prime is 29628881. The reversal of 29628861 is 16882692.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29628861 - 2¹⁰ = 29627837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29628811) 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 7 ways as a sum of consecutive naturals, for example, 2191 + ... + 8003.

It is an arithmetic number, because the mean of its divisors is an integer number (4941900).

Almost surely, 2^29628861 is an apocalyptic number.

It is an amenable number.

29628861 is a deficient number, since it is larger than the sum of its proper divisors (9906339).

29628861 is a wasteful number, since it uses less digits than its factorization.

29628861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7515.

The product of its digits is 82944, while the sum is 42.

The square root of 29628861 is about 5443.2399359205. The cubic root of 29628861 is about 309.4365798040.

The spelling of 29628861 in words is "twenty-nine million, six hundred twenty-eight thousand, eight hundred sixty-one".