1378914 has 8 divisors (see below), whose sum is σ = 2757840. Its totient is φ = 459636.

The previous prime is 1378907. The next prime is 1378943. The reversal of 1378914 is 4198731.

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

1378914 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114904 + ... + 114915.

It is an arithmetic number, because the mean of its divisors is an integer number (344730).

2^1378914 is an apocalyptic number.

1378914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1378914 is a wasteful number, since it uses less digits than its factorization.

1378914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229824.

The product of its digits is 6048, while the sum is 33.

The square root of 1378914 is about 1174.2716891759. The cubic root of 1378914 is about 111.3044155795.

The spelling of 1378914 in words is "one million, three hundred seventy-eight thousand, nine hundred fourteen".