29168940 has 48 divisors (see below), whose sum is σ = 86480352. Its totient is φ = 7320576.

The previous prime is 29168911. The next prime is 29168941. The reversal of 29168940 is 4986192.

It is not an unprimeable number, because it can be changed into a prime (29168941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13279 + ... + 15318.

It is an arithmetic number, because the mean of its divisors is an integer number (1801674).

Almost surely, 2^29168940 is an apocalyptic number.

29168940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29168940 is an abundant number, since it is smaller than the sum of its proper divisors (57311412).

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

29168940 is a wasteful number, since it uses less digits than its factorization.

29168940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28626 (or 28624 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 29168940 is about 5400.8277143416. The cubic root of 29168940 is about 307.8271223009.

The spelling of 29168940 in words is "twenty-nine million, one hundred sixty-eight thousand, nine hundred forty".