29940949 has 2 divisors, whose sum is σ = 29940950. Its totient is φ = 29940948.

The previous prime is 29940923. The next prime is 29940983. The reversal of 29940949 is 94904992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16851025 + 13089924 = 4105^2 + 3618^2 .

It is a cyclic number.

It is not a de Polignac number, because 29940949 - 2¹⁵ = 29908181 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29940899 and 29940908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29940049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14970474 + 14970475.

It is an arithmetic number, because the mean of its divisors is an integer number (14970475).

Almost surely, 2^29940949 is an apocalyptic number.

It is an amenable number.

29940949 is a deficient number, since it is larger than the sum of its proper divisors (1).

29940949 is an equidigital number, since it uses as much as digits as its factorization.

29940949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 29940949 is about 5471.8323256474. The cubic root of 29940949 is about 310.5192442540.

The spelling of 29940949 in words is "twenty-nine million, nine hundred forty thousand, nine hundred forty-nine".