1387876 has 36 divisors (see below), whose sum is σ = 2893548. Its totient is φ = 580608.

The previous prime is 1387871. The next prime is 1387877. The reversal of 1387876 is 6787831.

It can be written as a sum of positive squares in 2 ways, for example, as 705600 + 682276 = 840^2 + 826^2 .

It is not an unprimeable number, because it can be changed into a prime (1387871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14260 + ... + 14356.

2^1387876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1387876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446774).

1387876 is an abundant number, since it is smaller than the sum of its proper divisors (1505672).

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

1387876 is a wasteful number, since it uses less digits than its factorization.

1387876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 179 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 1387876 is about 1178.0814912390. The cubic root of 1387876 is about 111.5450293032.

The spelling of 1387876 in words is "one million, three hundred eighty-seven thousand, eight hundred seventy-six".