1383876 has 36 divisors (see below), whose sum is σ = 3768492. Its totient is φ = 425664.

The previous prime is 1383857. The next prime is 1383881. The reversal of 1383876 is 6783831.

It can be written as a sum of positive squares in 2 ways, for example, as 230400 + 1153476 = 480^2 + 1074^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1383876² = 3830225566752, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1383876.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1011 + ... + 1946.

2^1383876 is an apocalyptic number.

It is an amenable number.

1383876 is an abundant number, since it is smaller than the sum of its proper divisors (2384616).

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

1383876 is a wasteful number, since it uses less digits than its factorization.

1383876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980 (or 2975 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1383876 is about 1176.3825908266. The cubic root of 1383876 is about 111.4377648092.

The spelling of 1383876 in words is "one million, three hundred eighty-three thousand, eight hundred seventy-six".