19835442 has 40 divisors (see below), whose sum is σ = 48490992. Its totient is φ = 6010200.

The previous prime is 19835429. The next prime is 19835461. The reversal of 19835442 is 24453891.

It is a junction number, because it is equal to n+sod(n) for n = 19835397 and 19835406.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3784 + ... + 7347.

Almost surely, 2^19835442 is an apocalyptic number.

19835442 is an abundant number, since it is smaller than the sum of its proper divisors (28655550).

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

19835442 is a wasteful number, since it uses less digits than its factorization.

19835442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11156 (or 11147 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 19835442 is about 4453.6998102701. The cubic root of 19835442 is about 270.6952452561.

The spelling of 19835442 in words is "nineteen million, eight hundred thirty-five thousand, four hundred forty-two".