29684089 has 2 divisors, whose sum is σ = 29684090. Its totient is φ = 29684088.

The previous prime is 29684077. The next prime is 29684117. The reversal of 29684089 is 98048692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 6210064 = 4845^2 + 2492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29684089 is a prime.

It is a super-2 number, since 2×29684089² = 1762290279519842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29684009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14842044 + 14842045.

It is an arithmetic number, because the mean of its divisors is an integer number (14842045).

Almost surely, 2^29684089 is an apocalyptic number.

It is an amenable number.

29684089 is a deficient number, since it is larger than the sum of its proper divisors (1).

29684089 is an equidigital number, since it uses as much as digits as its factorization.

29684089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 29684089 is about 5448.3106556069. The cubic root of 29684089 is about 309.6287230450.

The spelling of 29684089 in words is "twenty-nine million, six hundred eighty-four thousand, eighty-nine".