19428110 has 64 divisors (see below), whose sum is σ = 40824000. Its totient is φ = 6592512.

The previous prime is 19428109. The next prime is 19428121. The reversal of 19428110 is 1182491.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 19428110.

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 31 ways as a sum of consecutive naturals, for example, 130316 + ... + 130464.

It is an arithmetic number, because the mean of its divisors is an integer number (637875).

Almost surely, 2^19428110 is an apocalyptic number.

19428110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19428110 is an abundant number, since it is smaller than the sum of its proper divisors (21395890).

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

19428110 is a wasteful number, since it uses less digits than its factorization.

19428110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 19428110 is about 4407.7329773933. The cubic root of 19428110 is about 268.8294547838.

The spelling of 19428110 in words is "nineteen million, four hundred twenty-eight thousand, one hundred ten".