1382438 has 16 divisors (see below), whose sum is σ = 2219616. Its totient is φ = 644160.

The previous prime is 1382419. The next prime is 1382449. The reversal of 1382438 is 8342831.

It is a happy number.

It is a super-2 number, since 2×1382438² = 3822269647688, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1382438.

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, 1520 + ... + 2252.

It is an arithmetic number, because the mean of its divisors is an integer number (138726).

2^1382438 is an apocalyptic number.

1382438 is a deficient number, since it is larger than the sum of its proper divisors (837178).

1382438 is a wasteful number, since it uses less digits than its factorization.

1382438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799.

The product of its digits is 4608, while the sum is 29.

The square root of 1382438 is about 1175.7712362530. The cubic root of 1382438 is about 111.3991527171.

The spelling of 1382438 in words is "one million, three hundred eighty-two thousand, four hundred thirty-eight".