29941897 has 2 divisors, whose sum is σ = 29941898. Its totient is φ = 29941896.

The previous prime is 29941861. The next prime is 29941903. The reversal of 29941897 is 79814992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29474041 + 467856 = 5429^2 + 684^2 .

It is a cyclic number.

It is not a de Polignac number, because 29941897 - 2¹¹ = 29939849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29941897.

It is not a weakly prime, because it can be changed into another prime (29941297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14970948 + 14970949.

It is an arithmetic number, because the mean of its divisors is an integer number (14970949).

Almost surely, 2^29941897 is an apocalyptic number.

It is an amenable number.

29941897 is a deficient number, since it is larger than the sum of its proper divisors (1).

29941897 is an equidigital number, since it uses as much as digits as its factorization.

29941897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 49.

The square root of 29941897 is about 5471.9189504232. The cubic root of 29941897 is about 310.5225214730.

The spelling of 29941897 in words is "twenty-nine million, nine hundred forty-one thousand, eight hundred ninety-seven".