19428476 has 12 divisors (see below), whose sum is σ = 34151208. Its totient is φ = 9670992.

The previous prime is 19428473. The next prime is 19428509. The reversal of 19428476 is 67482491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19428473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9791 + ... + 11606.

It is an arithmetic number, because the mean of its divisors is an integer number (2845934).

Almost surely, 2^19428476 is an apocalyptic number.

It is an amenable number.

19428476 is a deficient number, since it is larger than the sum of its proper divisors (14722732).

19428476 is a wasteful number, since it uses less digits than its factorization.

19428476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21628 (or 21626 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 19428476 is about 4407.7744951392. The cubic root of 19428476 is about 268.8311429041.

The spelling of 19428476 in words is "nineteen million, four hundred twenty-eight thousand, four hundred seventy-six".