29966487 has 8 divisors (see below), whose sum is σ = 40551936. Its totient is φ = 19679352.

The previous prime is 29966479. The next prime is 29966507. The reversal of 29966487 is 78466992.

It is a happy number.

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

It is not a de Polignac number, because 29966487 - 2³ = 29966479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29966407) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 74343 + ... + 74744.

It is an arithmetic number, because the mean of its divisors is an integer number (5068992).

Almost surely, 2^29966487 is an apocalyptic number.

29966487 is a deficient number, since it is larger than the sum of its proper divisors (10585449).

29966487 is a wasteful number, since it uses less digits than its factorization.

29966487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149157.

The product of its digits is 1306368, while the sum is 51.

The square root of 29966487 is about 5474.1654158419. The cubic root of 29966487 is about 310.6075045036.

The spelling of 29966487 in words is "twenty-nine million, nine hundred sixty-six thousand, four hundred eighty-seven".