19428862 has 16 divisors (see below), whose sum is σ = 29969280. Its totient is φ = 9441432.

The previous prime is 19428853. The next prime is 19428863. The reversal of 19428862 is 26882491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19428863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22189 + ... + 23047.

It is an arithmetic number, because the mean of its divisors is an integer number (1873080).

Almost surely, 2^19428862 is an apocalyptic number.

19428862 is a deficient number, since it is larger than the sum of its proper divisors (10540418).

19428862 is a wasteful number, since it uses less digits than its factorization.

19428862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its digits is 55296, while the sum is 40.

The square root of 19428862 is about 4407.8182811908. The cubic root of 19428862 is about 268.8329232485.

The spelling of 19428862 in words is "nineteen million, four hundred twenty-eight thousand, eight hundred sixty-two".