19412936 has 8 divisors (see below), whose sum is σ = 36399270. Its totient is φ = 9706464.

The previous prime is 19412933. The next prime is 19412941. The reversal of 19412936 is 63921491.

It can be written as a sum of positive squares in only one way, i.e., 19412836 + 100 = 4406^2 + 10^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 19412896 and 19412905.

It is not an unprimeable number, because it can be changed into a prime (19412933) 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, 1213301 + ... + 1213316.

Almost surely, 2^19412936 is an apocalyptic number.

It is an amenable number.

19412936 is a deficient number, since it is larger than the sum of its proper divisors (16986334).

19412936 is a wasteful number, since it uses less digits than its factorization.

19412936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426623 (or 2426619 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 19412936 is about 4406.0113481470. The cubic root of 19412936 is about 268.7594483067.

The spelling of 19412936 in words is "nineteen million, four hundred twelve thousand, nine hundred thirty-six".