19954000 has 80 divisors (see below), whose sum is σ = 52693056. Its totient is φ = 7248000.

The previous prime is 19953979. The next prime is 19954027. The reversal of 19954000 is 45991.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 19954000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21547 + ... + 22453.

Almost surely, 2^19954000 is an apocalyptic number.

19954000 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 19954000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26346528).

19954000 is an abundant number, since it is smaller than the sum of its proper divisors (32739056).

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

19954000 is a wasteful number, since it uses less digits than its factorization.

19954000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 19954000 is about 4466.9900380458. The cubic root of 19954000 is about 271.2334965573.

Adding to 19954000 its reverse (45991), we get a palindrome (19999991).

It can be divided in two parts, 1995 and 4000, that added together give a palindrome (5995).

The spelling of 19954000 in words is "nineteen million, nine hundred fifty-four thousand".