29904019 has 2 divisors, whose sum is σ = 29904020. Its totient is φ = 29904018.

The previous prime is 29904011. The next prime is 29904023. The reversal of 29904019 is 91040992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29904019 - 2³ = 29904011 is a prime.

It is a super-2 number, since 2×29904019² = 1788500704704722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29904011) 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, 14952009 + 14952010.

It is an arithmetic number, because the mean of its divisors is an integer number (14952010).

Almost surely, 2^29904019 is an apocalyptic number.

29904019 is a deficient number, since it is larger than the sum of its proper divisors (1).

29904019 is an equidigital number, since it uses as much as digits as its factorization.

29904019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 29904019 is about 5468.4567292793. The cubic root of 29904019 is about 310.3915240350.

The spelling of 29904019 in words is "twenty-nine million, nine hundred four thousand, nineteen".