1646341 has 4 divisors (see below), whose sum is σ = 1684672. Its totient is φ = 1608012.

The previous prime is 1646321. The next prime is 1646347. The reversal of 1646341 is 1436461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1646341 - 2⁹ = 1645829 is a prime.

It is a Duffinian number.

1646341 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1646347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19101 + ... + 19186.

It is an arithmetic number, because the mean of its divisors is an integer number (421168).

2^1646341 is an apocalyptic number.

It is an amenable number.

1646341 is a deficient number, since it is larger than the sum of its proper divisors (38331).

1646341 is an equidigital number, since it uses as much as digits as its factorization.

1646341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38330.

The product of its digits is 1728, while the sum is 25.

The square root of 1646341 is about 1283.0982035682. The cubic root of 1646341 is about 118.0791626229.

The spelling of 1646341 in words is "one million, six hundred forty-six thousand, three hundred forty-one".