1396191 has 8 divisors (see below), whose sum is σ = 1868464. Its totient is φ = 927360.

The previous prime is 1396189. The next prime is 1396207. The reversal of 1396191 is 1916931.

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

It is not a de Polignac number, because 1396191 - 2¹ = 1396189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (233558).

2^1396191 is an apocalyptic number.

1396191 is a deficient number, since it is larger than the sum of its proper divisors (472273).

1396191 is a wasteful number, since it uses less digits than its factorization.

1396191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 1458, while the sum is 30.

The square root of 1396191 is about 1181.6052640370. The cubic root of 1396191 is about 111.7673476264.

The spelling of 1396191 in words is "one million, three hundred ninety-six thousand, one hundred ninety-one".