1394215 has 4 divisors (see below), whose sum is σ = 1673064. Its totient is φ = 1115368.

The previous prime is 1394209. The next prime is 1394251. The reversal of 1394215 is 5124931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5124931 = 7 ⋅732133.

It is a cyclic number.

It is not a de Polignac number, because 1394215 - 2¹⁹ = 869927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1394215.

It is a congruent 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, 139417 + ... + 139426.

It is an arithmetic number, because the mean of its divisors is an integer number (418266).

2^1394215 is an apocalyptic number.

1394215 is a deficient number, since it is larger than the sum of its proper divisors (278849).

1394215 is an equidigital number, since it uses as much as digits as its factorization.

1394215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278848.

The product of its digits is 1080, while the sum is 25.

The square root of 1394215 is about 1180.7688173389. The cubic root of 1394215 is about 111.7145954003.

The spelling of 1394215 in words is "one million, three hundred ninety-four thousand, two hundred fifteen".