19483438 has 32 divisors (see below), whose sum is σ = 33933312. Its totient is φ = 8316000.

The previous prime is 19483421. The next prime is 19483439. The reversal of 19483438 is 83438491.

It is a self number, because there is not a number n which added to its sum of digits gives 19483438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19483439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18013 + ... + 19063.

It is an arithmetic number, because the mean of its divisors is an integer number (1060416).

Almost surely, 2^19483438 is an apocalyptic number.

19483438 is a deficient number, since it is larger than the sum of its proper divisors (14449874).

19483438 is a wasteful number, since it uses less digits than its factorization.

19483438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120.

The product of its digits is 82944, while the sum is 40.

The square root of 19483438 is about 4414.0047575869. The cubic root of 19483438 is about 269.0844066552.

The spelling of 19483438 in words is "nineteen million, four hundred eighty-three thousand, four hundred thirty-eight".