29921082 has 8 divisors (see below), whose sum is σ = 59842176. Its totient is φ = 9973692.

The previous prime is 29921063. The next prime is 29921117. The reversal of 29921082 is 28012992.

It is a happy number.

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

29921082 is an admirable number.

It is a super-2 number, since 2×29921082² = 1790542296101448, which contains 22 as substring.

It is an unprimeable number.

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, 2493418 + ... + 2493429.

It is an arithmetic number, because the mean of its divisors is an integer number (7480272).

Almost surely, 2^29921082 is an apocalyptic number.

29921082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

29921082 is a wasteful number, since it uses less digits than its factorization.

29921082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986852.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 29921082 is about 5470.0166361721. The cubic root of 29921082 is about 310.4505484710.

The spelling of 29921082 in words is "twenty-nine million, nine hundred twenty-one thousand, eighty-two".