1600841 has 4 divisors (see below), whose sum is σ = 1746384. Its totient is φ = 1455300.

The previous prime is 1600813. The next prime is 1600861. The reversal of 1600841 is 1480061.

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 de Polignac number, because none of the positive numbers 2^k-1600841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1600811) 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, 72755 + ... + 72776.

It is an arithmetic number, because the mean of its divisors is an integer number (436596).

2^1600841 is an apocalyptic number.

1600841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1600841 is a deficient number, since it is larger than the sum of its proper divisors (145543).

1600841 is a wasteful number, since it uses less digits than its factorization.

1600841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145542.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1600841 is about 1265.2434548339. The cubic root of 1600841 is about 116.9811984301.

It can be divided in two parts, 1600 and 841, that multiplied together give a square (1345600 = 1160²).

The spelling of 1600841 in words is "one million, six hundred thousand, eight hundred forty-one".