1493307888 has 80 divisors (see below), whose sum is σ = 4072953600. Its totient is φ = 470154240.

The previous prime is 1493307847. The next prime is 1493307917. The reversal of 1493307888 is 8887033941.

It is a self number, because there is not a number n which added to its sum of digits gives 1493307888.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 325128 + ... + 329688.

It is an arithmetic number, because the mean of its divisors is an integer number (50911920).

Almost surely, 2^1493307888 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 1493307888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2036476800).

1493307888 is an abundant number, since it is smaller than the sum of its proper divisors (2579645712).

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

1493307888 is a wasteful number, since it uses less digits than its factorization.

1493307888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950 (or 4944 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 1493307888 is about 38643.3420914910. The cubic root of 1493307888 is about 1143.0093588804.

The spelling of 1493307888 in words is "one billion, four hundred ninety-three million, three hundred seven thousand, eight hundred eighty-eight".