1382689 has 8 divisors (see below), whose sum is σ = 1723968. Its totient is φ = 1077360.

The previous prime is 1382681. The next prime is 1382753. The reversal of 1382689 is 9862831.

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 1382689 - 2³ = 1382681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382681) 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, 8902 + ... + 9055.

It is an arithmetic number, because the mean of its divisors is an integer number (215496).

2^1382689 is an apocalyptic number.

It is an amenable number.

1382689 is a deficient number, since it is larger than the sum of its proper divisors (341279).

1382689 is a wasteful number, since it uses less digits than its factorization.

1382689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17975.

The product of its digits is 20736, while the sum is 37.

The square root of 1382689 is about 1175.8779698591. The cubic root of 1382689 is about 111.4058943082.

The spelling of 1382689 in words is "one million, three hundred eighty-two thousand, six hundred eighty-nine".