29391146 has 4 divisors (see below), whose sum is σ = 44086722. Its totient is φ = 14695572.

The previous prime is 29391139. The next prime is 29391151. The reversal of 29391146 is 64119392.

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., 29278921 + 112225 = 5411^2 + 335^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7347785 + ... + 7347788.

Almost surely, 2^29391146 is an apocalyptic number.

29391146 is a deficient number, since it is larger than the sum of its proper divisors (14695576).

29391146 is a wasteful number, since it uses less digits than its factorization.

29391146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14695575.

The product of its digits is 11664, while the sum is 35.

The square root of 29391146 is about 5421.3601614355. The cubic root of 29391146 is about 308.6068109494.

The spelling of 29391146 in words is "twenty-nine million, three hundred ninety-one thousand, one hundred forty-six".