1601395 has 8 divisors (see below), whose sum is σ = 1958256. Its totient is φ = 1256736.

The previous prime is 1601389. The next prime is 1601399. The reversal of 1601395 is 5931061.

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

It is not a de Polignac number, because 1601395 - 2⁷ = 1601267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2757 + ... + 3286.

It is an arithmetic number, because the mean of its divisors is an integer number (244782).

2^1601395 is an apocalyptic number.

1601395 is a deficient number, since it is larger than the sum of its proper divisors (356861).

1601395 is an equidigital number, since it uses as much as digits as its factorization.

1601395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1601395 is about 1265.4623660939. The cubic root of 1601395 is about 116.9946913607.

The spelling of 1601395 in words is "one million, six hundred one thousand, three hundred ninety-five".