29689132 has 24 divisors (see below), whose sum is σ = 57238272. Its totient is φ = 13362000.

The previous prime is 29689129. The next prime is 29689139. The reversal of 29689132 is 23198692.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29689139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 7807.

It is an arithmetic number, because the mean of its divisors is an integer number (2384928).

Almost surely, 2^29689132 is an apocalyptic number.

29689132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29689132 is a deficient number, since it is larger than the sum of its proper divisors (27549140).

29689132 is a wasteful number, since it uses less digits than its factorization.

29689132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6669 (or 6667 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 29689132 is about 5448.7734399588. The cubic root of 29689132 is about 309.6462562228.

It can be divided in two parts, 2968 and 9132, that added together give a square (12100 = 110²).

The spelling of 29689132 in words is "twenty-nine million, six hundred eighty-nine thousand, one hundred thirty-two".