1441687 has 4 divisors (see below), whose sum is σ = 1552600. Its totient is φ = 1330776.

The previous prime is 1441681. The next prime is 1441697. The reversal of 1441687 is 7861441.

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

It is a cyclic number.

It is not a de Polignac number, because 1441687 - 2³ = 1441679 is a prime.

It is a super-2 number, since 2×1441687² = 4156922811938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441681) 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, 55437 + ... + 55462.

It is an arithmetic number, because the mean of its divisors is an integer number (388150).

2^1441687 is an apocalyptic number.

1441687 is a deficient number, since it is larger than the sum of its proper divisors (110913).

1441687 is a wasteful number, since it uses less digits than its factorization.

1441687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110912.

The product of its digits is 5376, while the sum is 31.

The square root of 1441687 is about 1200.7027109156. The cubic root of 1441687 is about 112.9684042502.

The spelling of 1441687 in words is "one million, four hundred forty-one thousand, six hundred eighty-seven".