29926988 has 24 divisors (see below), whose sum is σ = 64458912. Its totient is φ = 11839104.

The previous prime is 29926951. The next prime is 29926993. The reversal of 29926988 is 88962992.

It is a super-5 number, since 5×29926988⁵ (a number of 39 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 40745 + ... + 41472.

It is an arithmetic number, because the mean of its divisors is an integer number (2685788).

Almost surely, 2^29926988 is an apocalyptic number.

29926988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29926988 is an abundant number, since it is smaller than the sum of its proper divisors (34531924).

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

29926988 is a wasteful number, since it uses less digits than its factorization.

29926988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82241 (or 82239 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 29926988 is about 5470.5564616408. The cubic root of 29926988 is about 310.4709733152.

The spelling of 29926988 in words is "twenty-nine million, nine hundred twenty-six thousand, nine hundred eighty-eight".