29628669 has 16 divisors (see below), whose sum is σ = 47112192. Its totient is φ = 16194288.

The previous prime is 29628667. The next prime is 29628689. The reversal of 29628669 is 96682692.

It is not a de Polignac number, because 29628669 - 2¹ = 29628667 is a prime.

It is a super-2 number, since 2×29628669² = 1755716053423122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29628661) 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 15 ways as a sum of consecutive naturals, for example, 30189 + ... + 31154.

It is an arithmetic number, because the mean of its divisors is an integer number (2944512).

Almost surely, 2^29628669 is an apocalyptic number.

It is an amenable number.

29628669 is a deficient number, since it is larger than the sum of its proper divisors (17483523).

29628669 is a wasteful number, since it uses less digits than its factorization.

29628669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61376.

The product of its digits is 559872, while the sum is 48.

The square root of 29628669 is about 5443.2222993370. Note that the first 4 decimals coincide. The cubic root of 29628669 is about 309.4359114022.

The spelling of 29628669 in words is "twenty-nine million, six hundred twenty-eight thousand, six hundred sixty-nine".