19906034 has 16 divisors (see below), whose sum is σ = 31562880. Its totient is φ = 9389520.

The previous prime is 19906021. The next prime is 19906043. The reversal of 19906034 is 43060991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9332 + ... + 11264.

It is an arithmetic number, because the mean of its divisors is an integer number (1972680).

Almost surely, 2^19906034 is an apocalyptic number.

19906034 is a deficient number, since it is larger than the sum of its proper divisors (11656846).

19906034 is a wasteful number, since it uses less digits than its factorization.

19906034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 19906034 is about 4461.6178679936. The cubic root of 19906034 is about 271.0159892165.

The spelling of 19906034 in words is "nineteen million, nine hundred six thousand, thirty-four".