19485396 has 36 divisors (see below), whose sum is σ = 56291872. Its totient is φ = 5567184.

The previous prime is 19485377. The next prime is 19485463. The reversal of 19485396 is 69358491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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, 38410 + ... + 38913.

Almost surely, 2^19485396 is an apocalyptic number.

It is an amenable number.

19485396 is an abundant number, since it is smaller than the sum of its proper divisors (36806476).

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

19485396 is a wasteful number, since it uses less digits than its factorization.

19485396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77340 (or 77335 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 19485396 is about 4414.2265460667. The cubic root of 19485396 is about 269.0934202872.

It can be divided in two parts, 19485 and 396, that added together give a square (19881 = 141²).

The spelling of 19485396 in words is "nineteen million, four hundred eighty-five thousand, three hundred ninety-six".