29389897 has 2 divisors, whose sum is σ = 29389898. Its totient is φ = 29389896.

The previous prime is 29389879. The next prime is 29389901. The reversal of 29389897 is 79898392.

Together with previous prime (29389879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29365561 + 24336 = 5419^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 29389897 - 2¹⁵ = 29357129 is a prime.

It is not a weakly prime, because it can be changed into another prime (29389807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14694948 + 14694949.

It is an arithmetic number, because the mean of its divisors is an integer number (14694949).

Almost surely, 2^29389897 is an apocalyptic number.

It is an amenable number.

29389897 is a deficient number, since it is larger than the sum of its proper divisors (1).

29389897 is an equidigital number, since it uses as much as digits as its factorization.

29389897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 55.

The square root of 29389897 is about 5421.2449677173. The cubic root of 29389897 is about 308.6024393906.

The spelling of 29389897 in words is "twenty-nine million, three hundred eighty-nine thousand, eight hundred ninety-seven".