29876868 has 54 divisors (see below), whose sum is σ = 87857406. Its totient is φ = 8535744.

The previous prime is 29876857. The next prime is 29876893. The reversal of 29876868 is 86867892.

It can be written as a sum of positive squares in only one way, i.e., 23736384 + 6140484 = 4872^2 + 2478^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6705 + ... + 10232.

It is an arithmetic number, because the mean of its divisors is an integer number (1626989).

Almost surely, 2^29876868 is an apocalyptic number.

29876868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29876868 is an abundant number, since it is smaller than the sum of its proper divisors (57980538).

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

29876868 is a wasteful number, since it uses less digits than its factorization.

29876868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16961 (or 16949 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 29876868 is about 5465.9736552603. The cubic root of 29876868 is about 310.2975568207.

The spelling of 29876868 in words is "twenty-nine million, eight hundred seventy-six thousand, eight hundred sixty-eight".