29038981 has 2 divisors, whose sum is σ = 29038982. Its totient is φ = 29038980.

The previous prime is 29038967. The next prime is 29038993. The reversal of 29038981 is 18983092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28793956 + 245025 = 5366^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 29038981 - 2⁹ = 29038469 is a prime.

It is a super-2 number, since 2×29038981² = 1686524835036722, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29038951) 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 as a sum of consecutive naturals, namely, 14519490 + 14519491.

It is an arithmetic number, because the mean of its divisors is an integer number (14519491).

Almost surely, 2^29038981 is an apocalyptic number.

It is an amenable number.

29038981 is a deficient number, since it is larger than the sum of its proper divisors (1).

29038981 is an equidigital number, since it uses as much as digits as its factorization.

29038981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 29038981 is about 5388.7828867009. The cubic root of 29038981 is about 307.3692783869.

The spelling of 29038981 in words is "twenty-nine million, thirty-eight thousand, nine hundred eighty-one".