1380487 has 8 divisors (see below), whose sum is σ = 1441440. Its totient is φ = 1320480.

The previous prime is 1380469. The next prime is 1380499. The reversal of 1380487 is 7840831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1380487 - 2¹¹ = 1378439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5118 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (180180).

2^1380487 is an apocalyptic number.

1380487 is a deficient number, since it is larger than the sum of its proper divisors (60953).

1380487 is a wasteful number, since it uses less digits than its factorization.

1380487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1380487 is about 1174.9412751283. The cubic root of 1380487 is about 111.3467231038.

The spelling of 1380487 in words is "one million, three hundred eighty thousand, four hundred eighty-seven".