1383241860 has 480 divisors, whose sum is σ = 5832997632. Its totient is φ = 265006080.

The previous prime is 1383241831. The next prime is 1383241861. The reversal of 1383241860 is 681423831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1383241861) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1621194 + ... + 1622046.

Almost surely, 2^1383241860 is an apocalyptic number.

1383241860 is a gapful number since it is divisible by the number (10) 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 1383241860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916498816).

1383241860 is an abundant number, since it is smaller than the sum of its proper divisors (4449755772).

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

1383241860 is a wasteful number, since it uses less digits than its factorization.

1383241860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1383241860 is about 37191.9596149490. The cubic root of 1383241860 is about 1114.2074065849.

The spelling of 1383241860 in words is "one billion, three hundred eighty-three million, two hundred forty-one thousand, eight hundred sixty".