29421146 has 4 divisors (see below), whose sum is σ = 44131722. Its totient is φ = 14710572.

The previous prime is 29421137. The next prime is 29421173. The reversal of 29421146 is 64112492.

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

It can be written as a sum of positive squares in only one way, i.e., 27447121 + 1974025 = 5239^2 + 1405^2 .

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 as a sum of consecutive naturals, namely, 7355285 + ... + 7355288.

Almost surely, 2^29421146 is an apocalyptic number.

29421146 is a deficient number, since it is larger than the sum of its proper divisors (14710576).

29421146 is a wasteful number, since it uses less digits than its factorization.

29421146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14710575.

The product of its digits is 3456, while the sum is 29.

The square root of 29421146 is about 5424.1262890903. The cubic root of 29421146 is about 308.7117751691.

The spelling of 29421146 in words is "twenty-nine million, four hundred twenty-one thousand, one hundred forty-six".