19855314 has 64 divisors (see below), whose sum is σ = 47232000. Its totient is φ = 6168960.

The previous prime is 19855313. The next prime is 19855333. The reversal of 19855314 is 41355891.

19855314 is a `hidden beast` number, since 1 + 98 + 553 + 14 = 666.

Its product of digits (21600) is a multiple of the sum of its prime factors (480).

It is not an unprimeable number, because it can be changed into a prime (19855313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48342 + ... + 48750.

It is an arithmetic number, because the mean of its divisors is an integer number (738000).

Almost surely, 2^19855314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19855314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23616000).

19855314 is an abundant number, since it is smaller than the sum of its proper divisors (27376686).

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

19855314 is a wasteful number, since it uses less digits than its factorization.

19855314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 474 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 19855314 is about 4455.9302059166. The cubic root of 19855314 is about 270.7856131360.

The spelling of 19855314 in words is "nineteen million, eight hundred fifty-five thousand, three hundred fourteen".