29918136 has 16 divisors (see below), whose sum is σ = 74795400. Its totient is φ = 9972704.

The previous prime is 29918123. The next prime is 29918137. The reversal of 29918136 is 63181992.

It is a junction number, because it is equal to n+sod(n) for n = 29918094 and 29918103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29918137) 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, 623271 + ... + 623318.

Almost surely, 2^29918136 is an apocalyptic number.

It is an amenable number.

29918136 is an abundant number, since it is smaller than the sum of its proper divisors (44877264).

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

29918136 is a wasteful number, since it uses less digits than its factorization.

29918136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246598 (or 1246594 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 29918136 is about 5469.7473433423. The cubic root of 29918136 is about 310.4403592524.

The spelling of 29918136 in words is "twenty-nine million, nine hundred eighteen thousand, one hundred thirty-six".