29472889 has 2 divisors, whose sum is σ = 29472890. Its totient is φ = 29472888.

The previous prime is 29472851. The next prime is 29472893. The reversal of 29472889 is 98827492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25200400 + 4272489 = 5020^2 + 2067^2 .

It is a cyclic number.

It is not a de Polignac number, because 29472889 - 2⁷ = 29472761 is a prime.

It is not a weakly prime, because it can be changed into another prime (29472389) 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, 14736444 + 14736445.

It is an arithmetic number, because the mean of its divisors is an integer number (14736445).

Almost surely, 2^29472889 is an apocalyptic number.

It is an amenable number.

29472889 is a deficient number, since it is larger than the sum of its proper divisors (1).

29472889 is an equidigital number, since it uses as much as digits as its factorization.

29472889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 49.

The square root of 29472889 is about 5428.8939020762. The cubic root of 29472889 is about 308.8926464175.

The spelling of 29472889 in words is "twenty-nine million, four hundred seventy-two thousand, eight hundred eighty-nine".