29399407 has 2 divisors, whose sum is σ = 29399408. Its totient is φ = 29399406.

The previous prime is 29399389. The next prime is 29399431. The reversal of 29399407 is 70499392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29399407 - 2¹¹ = 29397359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29399107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14699703 + 14699704.

It is an arithmetic number, because the mean of its divisors is an integer number (14699704).

Almost surely, 2^29399407 is an apocalyptic number.

29399407 is a deficient number, since it is larger than the sum of its proper divisors (1).

29399407 is an equidigital number, since it uses as much as digits as its factorization.

29399407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 29399407 is about 5422.1220015783. The cubic root of 29399407 is about 308.6357217201.

The spelling of 29399407 in words is "twenty-nine million, three hundred ninety-nine thousand, four hundred seven".