19796394 has 24 divisors (see below), whose sum is σ = 40109472. Its totient is φ = 6513720.

The previous prime is 19796393. The next prime is 19796411. The reversal of 19796394 is 49369791.

It is not an unprimeable number, because it can be changed into a prime (19796393) 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 11 ways as a sum of consecutive naturals, for example, 63499 + ... + 63809.

It is an arithmetic number, because the mean of its divisors is an integer number (1671228).

Almost surely, 2^19796394 is an apocalyptic number.

19796394 is an abundant number, since it is smaller than the sum of its proper divisors (20313078).

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

19796394 is a wasteful number, since it uses less digits than its factorization.

19796394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 419 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 19796394 is about 4449.3138796898. The cubic root of 19796394 is about 270.5174985804.

The spelling of 19796394 in words is "nineteen million, seven hundred ninety-six thousand, three hundred ninety-four".