29993019 has 16 divisors (see below), whose sum is σ = 46387968. Its totient is φ = 16882272.

The previous prime is 29993011. The next prime is 29993023. The reversal of 29993019 is 91039992.

It is a happy number.

It is not a de Polignac number, because 29993019 - 2³ = 29993011 is a prime.

It is a super-2 number, since 2×29993019² = 1799162377468722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29993011) 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 in 15 ways as a sum of consecutive naturals, for example, 9252 + ... + 12065.

It is an arithmetic number, because the mean of its divisors is an integer number (2899248).

Almost surely, 2^29993019 is an apocalyptic number.

29993019 is a deficient number, since it is larger than the sum of its proper divisors (16394949).

29993019 is a wasteful number, since it uses less digits than its factorization.

29993019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21394.

The product of its (nonzero) digits is 39366, while the sum is 42.

The square root of 29993019 is about 5476.5882627782. The cubic root of 29993019 is about 310.6991469588.

The spelling of 29993019 in words is "twenty-nine million, nine hundred ninety-three thousand, nineteen".