1383341820 has 96 divisors (see below), whose sum is σ = 4529699328. Its totient is φ = 308835072.

The previous prime is 1383341807. The next prime is 1383341837. The reversal of 1383341820 is 281433831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20239 + ... + 56358.

It is an arithmetic number, because the mean of its divisors is an integer number (47184368).

Almost surely, 2^1383341820 is an apocalyptic number.

1383341820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1383341820 is an abundant number, since it is smaller than the sum of its proper divisors (3146357508).

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

1383341820 is a wasteful number, since it uses less digits than its factorization.

1383341820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76659 (or 76657 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1383341820 is about 37193.3034295154. The cubic root of 1383341820 is about 1114.2342453450.

The spelling of 1383341820 in words is "one billion, three hundred eighty-three million, three hundred forty-one thousand, eight hundred twenty".