29216140 has 24 divisors (see below), whose sum is σ = 62661312. Its totient is φ = 11437440.

The previous prime is 29216123. The next prime is 29216191. The reversal of 29216140 is 4161292.

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, 14601 + ... + 16480.

It is an arithmetic number, because the mean of its divisors is an integer number (2610888).

Almost surely, 2^29216140 is an apocalyptic number.

29216140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29216140 is an abundant number, since it is smaller than the sum of its proper divisors (33445172).

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

29216140 is a wasteful number, since it uses less digits than its factorization.

29216140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31137 (or 31135 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 29216140 is about 5405.1956486329. The cubic root of 29216140 is about 307.9930706261.

The spelling of 29216140 in words is "twenty-nine million, two hundred sixteen thousand, one hundred forty".