19994260 has 48 divisors (see below), whose sum is σ = 49335552. Its totient is φ = 6710400.

The previous prime is 19994237. The next prime is 19994267. The reversal of 19994260 is 6249991.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19994267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636 + ... + 6355.

It is an arithmetic number, because the mean of its divisors is an integer number (1027824).

Almost surely, 2^19994260 is an apocalyptic number.

19994260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19994260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24667776).

19994260 is an abundant number, since it is smaller than the sum of its proper divisors (29341292).

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

19994260 is a wasteful number, since it uses less digits than its factorization.

19994260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024 (or 7022 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 19994260 is about 4471.4941574378. The cubic root of 19994260 is about 271.4157912463.

It can be divided in two parts, 199942 and 60, that added together give a palindrome (200002).

The spelling of 19994260 in words is "nineteen million, nine hundred ninety-four thousand, two hundred sixty".