29828931 has 16 divisors (see below), whose sum is σ = 45940608. Its totient is φ = 17014400.

The previous prime is 29828921. The next prime is 29828933. The reversal of 29828931 is 13982892.

It is a cyclic number.

It is not a de Polignac number, because 29828931 - 2⁶ = 29828867 is a prime.

It is a super-2 number, since 2×29828931² = 1779530249205522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29828933) 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, 26025 + ... + 27146.

It is an arithmetic number, because the mean of its divisors is an integer number (2871288).

Almost surely, 2^29828931 is an apocalyptic number.

29828931 is a deficient number, since it is larger than the sum of its proper divisors (16111677).

29828931 is a wasteful number, since it uses less digits than its factorization.

29828931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53202.

The product of its digits is 62208, while the sum is 42.

The square root of 29828931 is about 5461.5868573154. The cubic root of 29828931 is about 310.1315120118.

The spelling of 29828931 in words is "twenty-nine million, eight hundred twenty-eight thousand, nine hundred thirty-one".