19385412 has 24 divisors (see below), whose sum is σ = 47199936. Its totient is φ = 6180768.

The previous prime is 19385411. The next prime is 19385413. The reversal of 19385412 is 21458391.

It is an interprime number because it is at equal distance from previous prime (19385411) and next prime (19385413).

It is not an unprimeable number, because it can be changed into a prime (19385411) 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 in 7 ways as a sum of consecutive naturals, for example, 34843 + ... + 35394.

It is an arithmetic number, because the mean of its divisors is an integer number (1966664).

Almost surely, 2^19385412 is an apocalyptic number.

19385412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19385412 is an abundant number, since it is smaller than the sum of its proper divisors (27814524).

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

19385412 is a wasteful number, since it uses less digits than its factorization.

19385412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70267 (or 70265 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 19385412 is about 4402.8867802840. The cubic root of 19385412 is about 268.6323709490.

The spelling of 19385412 in words is "nineteen million, three hundred eighty-five thousand, four hundred twelve".