1493192844 has 144 divisors (see below), whose sum is σ = 4627494144. Its totient is φ = 399484800.

The previous prime is 1493192837. The next prime is 1493192863. The reversal of 1493192844 is 4482913941.

It is a self number, because there is not a number n which added to its sum of digits gives 1493192844.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112099 + ... + 124709.

It is an arithmetic number, because the mean of its divisors is an integer number (32135376).

Almost surely, 2^1493192844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1493192844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2313747072).

1493192844 is an abundant number, since it is smaller than the sum of its proper divisors (3134301300).

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

1493192844 is a wasteful number, since it uses less digits than its factorization.

1493192844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668 (or 12663 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1493192844 is about 38641.8535269725. The cubic root of 1493192844 is about 1142.9800057584.

The spelling of 1493192844 in words is "one billion, four hundred ninety-three million, one hundred ninety-two thousand, eight hundred forty-four".