19314428 has 18 divisors (see below), whose sum is σ = 39319056. Its totient is φ = 8277528.

The previous prime is 19314409. The next prime is 19314433. The reversal of 19314428 is 82441391.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19314394 and 19314403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49076 + ... + 49467.

It is an arithmetic number, because the mean of its divisors is an integer number (2184392).

Almost surely, 2^19314428 is an apocalyptic number.

It is an amenable number.

19314428 is an abundant number, since it is smaller than the sum of its proper divisors (20004628).

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

19314428 is a wasteful number, since it uses less digits than its factorization.

19314428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98561 (or 98552 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 19314428 is about 4394.8183125130. The cubic root of 19314428 is about 268.3040841885.

The spelling of 19314428 in words is "nineteen million, three hundred fourteen thousand, four hundred twenty-eight".