29642986 has 8 divisors (see below), whose sum is σ = 44872740. Its totient is φ = 14685408.

The previous prime is 29642981. The next prime is 29643023. The reversal of 29642986 is 68924692.

It can be written as a sum of positive squares in 2 ways, for example, as 26471025 + 3171961 = 5145^2 + 1781^2 .

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

It is not an unprimeable number, because it can be changed into a prime (29642981) 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 3 ways as a sum of consecutive naturals, for example, 67771 + ... + 68206.

Almost surely, 2^29642986 is an apocalyptic number.

29642986 is a deficient number, since it is larger than the sum of its proper divisors (15229754).

29642986 is a wasteful number, since it uses less digits than its factorization.

29642986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136088.

The product of its digits is 373248, while the sum is 46.

The square root of 29642986 is about 5444.5372622474. The cubic root of 29642986 is about 309.4857446741.

It can be divided in two parts, 29642 and 986, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 29642986 in words is "twenty-nine million, six hundred forty-two thousand, nine hundred eighty-six".