19934408 has 16 divisors (see below), whose sum is σ = 40252380. Its totient is φ = 9200448.

The previous prime is 19934377. The next prime is 19934417. The reversal of 19934408 is 80443991.

It can be written as a sum of positive squares in 2 ways, for example, as 19909444 + 24964 = 4462^2 + 158^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95735 + ... + 95942.

Almost surely, 2^19934408 is an apocalyptic number.

It is an amenable number.

19934408 is an abundant number, since it is smaller than the sum of its proper divisors (20317972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19934408 is a wasteful number, since it uses less digits than its factorization.

19934408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191696 (or 191692 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 19934408 is about 4464.7965239191. The cubic root of 19934408 is about 271.1446965370.

The spelling of 19934408 in words is "nineteen million, nine hundred thirty-four thousand, four hundred eight".