1382404 has 6 divisors (see below), whose sum is σ = 2419214. Its totient is φ = 691200.

The previous prime is 1382393. The next prime is 1382419. The reversal of 1382404 is 4042831.

It can be written as a sum of positive squares in only one way, i.e., 906304 + 476100 = 952^2 + 690^2 .

It is a super-2 number, since 2×1382404² = 3822081638432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172797 + ... + 172804.

2^1382404 is an apocalyptic number.

It is an amenable number.

1382404 is a deficient number, since it is larger than the sum of its proper divisors (1036810).

1382404 is a wasteful number, since it uses less digits than its factorization.

1382404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345605 (or 345603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1382404 is about 1175.7567775692. The cubic root of 1382404 is about 111.3982394508.

The spelling of 1382404 in words is "one million, three hundred eighty-two thousand, four hundred four".