1395861 has 8 divisors (see below), whose sum is σ = 1896480. Its totient is φ = 912912.

The previous prime is 1395859. The next prime is 1395869. The reversal of 1395861 is 1685931.

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

It is not a de Polignac number, because 1395861 - 2¹ = 1395859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395869) 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, 4231 + ... + 4548.

It is an arithmetic number, because the mean of its divisors is an integer number (237060).

2^1395861 is an apocalyptic number.

It is an amenable number.

1395861 is a deficient number, since it is larger than the sum of its proper divisors (500619).

1395861 is an equidigital number, since it uses as much as digits as its factorization.

1395861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835.

The product of its digits is 6480, while the sum is 33.

The square root of 1395861 is about 1181.4656152424. The cubic root of 1395861 is about 111.7585412547.

The spelling of 1395861 in words is "one million, three hundred ninety-five thousand, eight hundred sixty-one".