1493487380 has 48 divisors (see below), whose sum is σ = 3910225536. Its totient is φ = 465502080.

The previous prime is 1493487379. The next prime is 1493487389. The reversal of 1493487380 is 837843941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493487389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483359 + ... + 486438.

It is an arithmetic number, because the mean of its divisors is an integer number (81463032).

Almost surely, 2^1493487380 is an apocalyptic number.

1493487380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493487380 is an abundant number, since it is smaller than the sum of its proper divisors (2416738156).

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

1493487380 is a wasteful number, since it uses less digits than its factorization.

1493487380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969824 (or 969822 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 1493487380 is about 38645.6644398825. The cubic root of 1493487380 is about 1143.0551527000.

The spelling of 1493487380 in words is "one billion, four hundred ninety-three million, four hundred eighty-seven thousand, three hundred eighty".