29485889 has 2 divisors, whose sum is σ = 29485890. Its totient is φ = 29485888.

The previous prime is 29485879. The next prime is 29485901. The reversal of 29485889 is 98858492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28174864 + 1311025 = 5308^2 + 1145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29485889 is a prime.

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 29485889.

It is not a weakly prime, because it can be changed into another prime (29485879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14742944 + 14742945.

It is an arithmetic number, because the mean of its divisors is an integer number (14742945).

Almost surely, 2^29485889 is an apocalyptic number.

It is an amenable number.

29485889 is a deficient number, since it is larger than the sum of its proper divisors (1).

29485889 is an equidigital number, since it uses as much as digits as its factorization.

29485889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 53.

The square root of 29485889 is about 5430.0910673763. The cubic root of 29485889 is about 308.9380555407.

The spelling of 29485889 in words is "twenty-nine million, four hundred eighty-five thousand, eight hundred eighty-nine".