1382004 has 36 divisors (see below), whose sum is σ = 3763396. Its totient is φ = 425088.

The previous prime is 1381999. The next prime is 1382021. The reversal of 1382004 is 4002831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 656100 + 725904 = 810^2 + 852^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1009 + ... + 1944.

2^1382004 is an apocalyptic number.

It is an amenable number.

1382004 is an abundant number, since it is smaller than the sum of its proper divisors (2381392).

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

1382004 is a wasteful number, since it uses less digits than its factorization.

1382004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1382004 is about 1175.5866620543. The cubic root of 1382004 is about 111.3874940165.

Adding to 1382004 its reverse (4002831), we get a palindrome (5384835).

The spelling of 1382004 in words is "one million, three hundred eighty-two thousand, four".