29868940 has 12 divisors (see below), whose sum is σ = 62724816. Its totient is φ = 11947568.

The previous prime is 29868913. The next prime is 29868941. The reversal of 29868940 is 4986892.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (29868941) 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 3 ways as a sum of consecutive naturals, for example, 746704 + ... + 746743.

It is an arithmetic number, because the mean of its divisors is an integer number (5227068).

Almost surely, 2^29868940 is an apocalyptic number.

29868940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29868940 is an abundant number, since it is smaller than the sum of its proper divisors (32855876).

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

29868940 is a wasteful number, since it uses less digits than its factorization.

29868940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493456 (or 1493454 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 29868940 is about 5465.2483932572. The cubic root of 29868940 is about 310.2701079745.

The spelling of 29868940 in words is "twenty-nine million, eight hundred sixty-eight thousand, nine hundred forty".