29040889 has 2 divisors, whose sum is σ = 29040890. Its totient is φ = 29040888.

The previous prime is 29040863. The next prime is 29040901. The reversal of 29040889 is 98804092.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27741289 + 1299600 = 5267^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 29040889 - 2⁵ = 29040857 is a prime.

It is not a weakly prime, because it can be changed into another prime (29040839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14520444 + 14520445.

It is an arithmetic number, because the mean of its divisors is an integer number (14520445).

Almost surely, 2^29040889 is an apocalyptic number.

It is an amenable number.

29040889 is a deficient number, since it is larger than the sum of its proper divisors (1).

29040889 is an equidigital number, since it uses as much as digits as its factorization.

29040889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 29040889 is about 5388.9599182031. The cubic root of 29040889 is about 307.3760101169.

It can be divided in two parts, 29040 and 889, that added together give a square (29929 = 173²).

The spelling of 29040889 in words is "twenty-nine million, forty thousand, eight hundred eighty-nine".