29286989 has 2 divisors, whose sum is σ = 29286990. Its totient is φ = 29286988.

The previous prime is 29286979. The next prime is 29286991. The reversal of 29286989 is 98968292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21696964 + 7590025 = 4658^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 29286989 - 2¹² = 29282893 is a prime.

It is a super-2 number, since 2×29286989² = 1715455449372242, which contains 22 as substring.

Together with 29286991, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29286989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29286979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14643494 + 14643495.

It is an arithmetic number, because the mean of its divisors is an integer number (14643495).

Almost surely, 2^29286989 is an apocalyptic number.

It is an amenable number.

29286989 is a deficient number, since it is larger than the sum of its proper divisors (1).

29286989 is an equidigital number, since it uses as much as digits as its factorization.

29286989 is an odious number, because the sum of its binary digits is odd.

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

The square root of 29286989 is about 5411.7454670374. The cubic root of 29286989 is about 308.2418302293.

The spelling of 29286989 in words is "twenty-nine million, two hundred eighty-six thousand, nine hundred eighty-nine".