1378468 has 36 divisors (see below), whose sum is σ = 3027612. Its totient is φ = 544320.

The previous prime is 1378441. The next prime is 1378499. The reversal of 1378468 is 8648731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 362404 + 1016064 = 602^2 + 1008^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2278 + ... + 2818.

2^1378468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513806).

1378468 is an abundant number, since it is smaller than the sum of its proper divisors (1649144).

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

1378468 is a wasteful number, since it uses less digits than its factorization.

1378468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 563 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 1378468 is about 1174.0817688730. The cubic root of 1378468 is about 111.2924140763.

The spelling of 1378468 in words is "one million, three hundred seventy-eight thousand, four hundred sixty-eight".