29696138 has 16 divisors (see below), whose sum is σ = 45256320. Its totient is φ = 14612736.

The previous prime is 29696137. The next prime is 29696143. The reversal of 29696138 is 83169692.

It is a super-2 number, since 2×29696138² = 1763721224230088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29696131) 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, 40943 + ... + 41661.

It is an arithmetic number, because the mean of its divisors is an integer number (2828520).

Almost surely, 2^29696138 is an apocalyptic number.

29696138 is a deficient number, since it is larger than the sum of its proper divisors (15560182).

29696138 is a wasteful number, since it uses less digits than its factorization.

29696138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its digits is 139968, while the sum is 44.

The square root of 29696138 is about 5449.4162990177. The cubic root of 29696138 is about 309.6706109379.

The spelling of 29696138 in words is "twenty-nine million, six hundred ninety-six thousand, one hundred thirty-eight".