1378038 has 16 divisors (see below), whose sum is σ = 2770416. Its totient is φ = 456960.

The previous prime is 1378033. The next prime is 1378057. The reversal of 1378038 is 8308731.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1377996 and 1378014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970 + ... + 1922.

It is an arithmetic number, because the mean of its divisors is an integer number (173151).

2^1378038 is an apocalyptic number.

1378038 is an abundant number, since it is smaller than the sum of its proper divisors (1392378).

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

1378038 is a wasteful number, since it uses less digits than its factorization.

1378038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1378038 is about 1173.8986327618. The cubic root of 1378038 is about 111.2808406689.

The spelling of 1378038 in words is "one million, three hundred seventy-eight thousand, thirty-eight".