1383481876 has 18 divisors (see below), whose sum is σ = 2816374218. Its totient is φ = 592920720.

The previous prime is 1383481849. The next prime is 1383481921. The reversal of 1383481876 is 6781843831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1161173776 + 222308100 = 34076^2 + 14910^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3529095 + ... + 3529486.

Almost surely, 2^1383481876 is an apocalyptic number.

It is an amenable number.

1383481876 is an abundant number, since it is smaller than the sum of its proper divisors (1432892342).

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

1383481876 is a wasteful number, since it uses less digits than its factorization.

1383481876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7058599 (or 7058590 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 1383481876 is about 37195.1861939149. The cubic root of 1383481876 is about 1114.2718475060.

The spelling of 1383481876 in words is "one billion, three hundred eighty-three million, four hundred eighty-one thousand, eight hundred seventy-six".