1487841 has 4 divisors (see below), whose sum is σ = 1983792. Its totient is φ = 991892.

The previous prime is 1487821. The next prime is 1487867.

1487841 is nontrivially palindromic in base 10.

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 1487841 - 2⁵ = 1487809 is a prime.

It is a D-number.

It is a Curzon number.

1487841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1487821) 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, 247971 + ... + 247976.

It is an arithmetic number, because the mean of its divisors is an integer number (495948).

2^1487841 is an apocalyptic number.

It is an amenable number.

1487841 is a deficient number, since it is larger than the sum of its proper divisors (495951).

1487841 is an equidigital number, since it uses as much as digits as its factorization.

1487841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495950.

The product of its digits is 7168, while the sum is 33.

The square root of 1487841 is about 1219.7708801246. The cubic root of 1487841 is about 114.1612829495.

It can be divided in two parts, 148784 and 1, that added together give a triangular number (148785 = T₅₄₅).

The spelling of 1487841 in words is "one million, four hundred eighty-seven thousand, eight hundred forty-one".