19494160 has 60 divisors (see below), whose sum is σ = 52734348. Its totient is φ = 6682368.

The previous prime is 19494149. The next prime is 19494199. The reversal of 19494160 is 6149491.

It can be written as a sum of positive squares in 2 ways, for example, as 9834496 + 9659664 = 3136^2 + 3108^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1434 + ... + 6406.

Almost surely, 2^19494160 is an apocalyptic number.

19494160 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 19494160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26367174).

19494160 is an abundant number, since it is smaller than the sum of its proper divisors (33240188).

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

19494160 is a wasteful number, since it uses less digits than its factorization.

19494160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000 (or 4987 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 19494160 is about 4415.2191338596. The cubic root of 19494160 is about 269.1337578688.

The spelling of 19494160 in words is "nineteen million, four hundred ninety-four thousand, one hundred sixty".