1378895 has 8 divisors (see below), whose sum is σ = 1891104. Its totient is φ = 945504.

The previous prime is 1378859. The next prime is 1378903. The reversal of 1378895 is 5988731.

It is a happy number.

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

It is not a de Polignac number, because 1378895 - 2⁶ = 1378831 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19664 + ... + 19733.

It is an arithmetic number, because the mean of its divisors is an integer number (236388).

2^1378895 is an apocalyptic number.

1378895 is a deficient number, since it is larger than the sum of its proper divisors (512209).

1378895 is an equidigital number, since it uses as much as digits as its factorization.

1378895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39409.

The product of its digits is 60480, while the sum is 41.

The square root of 1378895 is about 1174.2635990271. The cubic root of 1378895 is about 111.3039043575.

The spelling of 1378895 in words is "one million, three hundred seventy-eight thousand, eight hundred ninety-five".