1382981 has 8 divisors (see below), whose sum is σ = 1447680. Its totient is φ = 1319472.

The previous prime is 1382977. The next prime is 1382987. The reversal of 1382981 is 1892831.

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 1382981 - 2² = 1382977 is a prime.

It is a super-2 number, since 2×1382981² = 3825272892722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382987) 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, 2756 + ... + 3218.

It is an arithmetic number, because the mean of its divisors is an integer number (180960).

2^1382981 is an apocalyptic number.

It is an amenable number.

1382981 is a deficient number, since it is larger than the sum of its proper divisors (64699).

1382981 is a wasteful number, since it uses less digits than its factorization.

1382981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its digits is 3456, while the sum is 32.

The square root of 1382981 is about 1176.0021258484. The cubic root of 1382981 is about 111.4137360889.

The spelling of 1382981 in words is "one million, three hundred eighty-two thousand, nine hundred eighty-one".