19493044 has 24 divisors (see below), whose sum is σ = 34848968. Its totient is φ = 9538560.

The previous prime is 19493041. The next prime is 19493053. The reversal of 19493044 is 44039491.

It can be written as a sum of positive squares in 4 ways, for example, as 2683044 + 16810000 = 1638^2 + 4100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19493041) 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, 70234 + ... + 70510.

Almost surely, 2^19493044 is an apocalyptic number.

It is an amenable number.

19493044 is a deficient number, since it is larger than the sum of its proper divisors (15355924).

19493044 is a wasteful number, since it uses less digits than its factorization.

19493044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 19493044 is about 4415.0927510076. The cubic root of 19493044 is about 269.1286219887.

The spelling of 19493044 in words is "nineteen million, four hundred ninety-three thousand, forty-four".