1382845 has 8 divisors (see below), whose sum is σ = 1669176. Its totient is φ = 1099776.

The previous prime is 1382827. The next prime is 1382861. The reversal of 1382845 is 5482831.

It can be written as a sum of positive squares in 4 ways, for example, as 177241 + 1205604 = 421^2 + 1098^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382845 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (208647).

2^1382845 is an apocalyptic number.

It is an amenable number.

1382845 is a deficient number, since it is larger than the sum of its proper divisors (286331).

1382845 is a wasteful number, since it uses less digits than its factorization.

1382845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its digits is 7680, while the sum is 31.

The square root of 1382845 is about 1175.9443014021. The cubic root of 1382845 is about 111.4100838900.

The spelling of 1382845 in words is "one million, three hundred eighty-two thousand, eight hundred forty-five".