1611441 has 16 divisors (see below), whose sum is σ = 2571520. Its totient is φ = 991440.

The previous prime is 1611439. The next prime is 1611451. The reversal of 1611441 is 1441161.

It is not a de Polignac number, because 1611441 - 2¹ = 1611439 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1611451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1945 + ... + 2646.

It is an arithmetic number, because the mean of its divisors is an integer number (160720).

2^1611441 is an apocalyptic number.

It is an amenable number.

1611441 is a deficient number, since it is larger than the sum of its proper divisors (960079).

1611441 is a wasteful number, since it uses less digits than its factorization.

1611441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613 (or 4607 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1611441 is about 1269.4254605923. The cubic root of 1611441 is about 117.2388283948.

The spelling of 1611441 in words is "one million, six hundred eleven thousand, four hundred forty-one".