1600441 has 4 divisors (see below), whose sum is σ = 1630692. Its totient is φ = 1570192.

The previous prime is 1600433. The next prime is 1600451. The reversal of 1600441 is 1440061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 783225 + 817216 = 885^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1600441 - 2³ = 1600433 is a prime.

It is a super-2 number, since 2×1600441² = 5122822788962, which contains 22 as substring.

It is a Duffinian number.

1600441 is a lucky number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1600421) 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, 15046 + ... + 15151.

It is an arithmetic number, because the mean of its divisors is an integer number (407673).

2^1600441 is an apocalyptic number.

It is an amenable number.

1600441 is a deficient number, since it is larger than the sum of its proper divisors (30251).

1600441 is an equidigital number, since it uses as much as digits as its factorization.

1600441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30250.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1600441 is about 1265.0853726132. The cubic root of 1600441 is about 116.9714543066.

It can be divided in two parts, 1600 and 441, that multiplied together give a square (705600 = 840²).

The spelling of 1600441 in words is "one million, six hundred thousand, four hundred forty-one".