1378338 has 32 divisors (see below), whose sum is σ = 3048192. Its totient is φ = 412800.

The previous prime is 1378337. The next prime is 1378339. The reversal of 1378338 is 8338731.

1378338 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (1378337) and next prime (1378339).

It is a junction number, because it is equal to n+sod(n) for n = 1378299 and 1378308.

It is not an unprimeable number, because it can be changed into a prime (1378337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2983 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (95256).

2^1378338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524096).

1378338 is an abundant number, since it is smaller than the sum of its proper divisors (1669854).

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

1378338 is a wasteful number, since it uses less digits than its factorization.

1378338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its digits is 12096, while the sum is 33.

The square root of 1378338 is about 1174.0264051545. The cubic root of 1378338 is about 111.2889153930.

The spelling of 1378338 in words is "one million, three hundred seventy-eight thousand, three hundred thirty-eight".