1378354 has 8 divisors (see below), whose sum is σ = 2073708. Its totient is φ = 687120.

The previous prime is 1378339. The next prime is 1378373. The reversal of 1378354 is 4538731.

It can be written as a sum of positive squares in 2 ways, for example, as 855625 + 522729 = 925^2 + 723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 24 + ... + 1660.

2^1378354 is an apocalyptic number.

1378354 is a deficient number, since it is larger than the sum of its proper divisors (695354).

1378354 is a wasteful number, since it uses less digits than its factorization.

1378354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060.

The product of its digits is 10080, while the sum is 31.

The square root of 1378354 is about 1174.0332192915. The cubic root of 1378354 is about 111.2893460121.

The spelling of 1378354 in words is "one million, three hundred seventy-eight thousand, three hundred fifty-four".