29689986 has 16 divisors (see below), whose sum is σ = 60828768. Its totient is φ = 9655200.

The previous prime is 29689969. The next prime is 29689991. The reversal of 29689986 is 68998692.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60100 + ... + 60591.

It is an arithmetic number, because the mean of its divisors is an integer number (3801798).

Almost surely, 2^29689986 is an apocalyptic number.

29689986 is an abundant number, since it is smaller than the sum of its proper divisors (31138782).

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

29689986 is a wasteful number, since it uses less digits than its factorization.

29689986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120737.

The product of its digits is 3359232, while the sum is 57.

The square root of 29689986 is about 5448.8518056559. The cubic root of 29689986 is about 309.6492251584.

The spelling of 29689986 in words is "twenty-nine million, six hundred eighty-nine thousand, nine hundred eighty-six".