19494496 has 48 divisors (see below), whose sum is σ = 45390240. Its totient is φ = 8064000.

The previous prime is 19494491. The next prime is 19494499. The reversal of 19494496 is 69449491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19494491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4996 + ... + 7996.

It is an arithmetic number, because the mean of its divisors is an integer number (945630).

Almost surely, 2^19494496 is an apocalyptic number.

19494496 is a gapful number since it is divisible by the number (16) 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 19494496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22695120).

19494496 is an abundant number, since it is smaller than the sum of its proper divisors (25895744).

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

19494496 is a wasteful number, since it uses less digits than its factorization.

19494496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047 (or 3039 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 19494496 is about 4415.2571839022. The cubic root of 19494496 is about 269.1353041169.

It can be divided in two parts, 19 and 494496, that added together give a triangular number (494515 = T₉₉₄).

The spelling of 19494496 in words is "nineteen million, four hundred ninety-four thousand, four hundred ninety-six".