29649797 has 2 divisors, whose sum is σ = 29649798. Its totient is φ = 29649796.

The previous prime is 29649793. The next prime is 29649799. The reversal of 29649797 is 79794692.

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., 18028516 + 11621281 = 4246^2 + 3409^2 .

It is a cyclic number.

It is not a de Polignac number, because 29649797 - 2² = 29649793 is a prime.

It is a super-2 number, since 2×29649797² = 1758220924282418, which contains 22 as substring.

Together with 29649799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29649793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14824898 + 14824899.

It is an arithmetic number, because the mean of its divisors is an integer number (14824899).

Almost surely, 2^29649797 is an apocalyptic number.

It is an amenable number.

29649797 is a deficient number, since it is larger than the sum of its proper divisors (1).

29649797 is an equidigital number, since it uses as much as digits as its factorization.

29649797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 53.

The square root of 29649797 is about 5445.1627156587. The cubic root of 29649797 is about 309.5094461324.

The spelling of 29649797 in words is "twenty-nine million, six hundred forty-nine thousand, seven hundred ninety-seven".