1378322 has 32 divisors (see below), whose sum is σ = 2433024. Its totient is φ = 579600.

The previous prime is 1378319. The next prime is 1378337. The reversal of 1378322 is 2238731.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1378291 and 1378300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29303 + ... + 29349.

It is an arithmetic number, because the mean of its divisors is an integer number (76032).

2^1378322 is an apocalyptic number.

1378322 is a deficient number, since it is larger than the sum of its proper divisors (1054702).

1378322 is a wasteful number, since it uses less digits than its factorization.

1378322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134.

The product of its digits is 2016, while the sum is 26.

The square root of 1378322 is about 1174.0195909779. The cubic root of 1378322 is about 111.2884847707.

The spelling of 1378322 in words is "one million, three hundred seventy-eight thousand, three hundred twenty-two".