29399969 has 2 divisors, whose sum is σ = 29399970. Its totient is φ = 29399968.

The previous prime is 29399963. The next prime is 29399983. The reversal of 29399969 is 96999392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 2235025 = 5212^2 + 1495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29399969 is a prime.

It is a super-2 number, since 2×29399969² = 1728716354401922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29399963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14699984 + 14699985.

It is an arithmetic number, because the mean of its divisors is an integer number (14699985).

Almost surely, 2^29399969 is an apocalyptic number.

It is an amenable number.

29399969 is a deficient number, since it is larger than the sum of its proper divisors (1).

29399969 is an equidigital number, since it uses as much as digits as its factorization.

29399969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2125764, while the sum is 56.

The square root of 29399969 is about 5422.1738260591. The cubic root of 29399969 is about 308.6376883377.

The spelling of 29399969 in words is "twenty-nine million, three hundred ninety-nine thousand, nine hundred sixty-nine".