29397961 has 2 divisors, whose sum is σ = 29397962. Its totient is φ = 29397960.

The previous prime is 29397941. The next prime is 29398001. The reversal of 29397961 is 16979392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29365561 + 32400 = 5419^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 29397961 - 2⁹ = 29397449 is a prime.

It is a super-2 number, since 2×29397961² = 1728480221915042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29397911) 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, 14698980 + 14698981.

It is an arithmetic number, because the mean of its divisors is an integer number (14698981).

Almost surely, 2^29397961 is an apocalyptic number.

It is an amenable number.

29397961 is a deficient number, since it is larger than the sum of its proper divisors (1).

29397961 is an equidigital number, since it uses as much as digits as its factorization.

29397961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 29397961 is about 5421.9886573102. The cubic root of 29397961 is about 308.6306615889.

The spelling of 29397961 in words is "twenty-nine million, three hundred ninety-seven thousand, nine hundred sixty-one".