1376988 has 12 divisors (see below), whose sum is σ = 3213000. Its totient is φ = 458992.

The previous prime is 1376981. The next prime is 1377023. The reversal of 1376988 is 8896731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 1 + 3⁹ + 7⁷ + 6⁴ + 9⁶ + 8³ + 8³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57363 + ... + 57386.

It is an arithmetic number, because the mean of its divisors is an integer number (267750).

2^1376988 is an apocalyptic number.

It is an amenable number.

1376988 is an abundant number, since it is smaller than the sum of its proper divisors (1836012).

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

1376988 is a wasteful number, since it uses less digits than its factorization.

1376988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114756 (or 114754 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 1376988 is about 1173.4513198254. The cubic root of 1376988 is about 111.2525699023.

The spelling of 1376988 in words is "one million, three hundred seventy-six thousand, nine hundred eighty-eight".