1378374 has 32 divisors (see below), whose sum is σ = 2954880. Its totient is φ = 427392.

The previous prime is 1378373. The next prime is 1378387. The reversal of 1378374 is 4738731.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12142 + ... + 12254.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2^1378374 is an apocalyptic number.

1378374 is an abundant number, since it is smaller than the sum of its proper divisors (1576506).

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

1378374 is a wasteful number, since it uses less digits than its factorization.

1378374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its digits is 14112, while the sum is 33.

The square root of 1378374 is about 1174.0417369072. The cubic root of 1378374 is about 111.2898842812.

It can be divided in two parts, 13 and 78374, that added together give a palindrome (78387).

The spelling of 1378374 in words is "one million, three hundred seventy-eight thousand, three hundred seventy-four".