1488191 has 4 divisors (see below), whose sum is σ = 1491000. Its totient is φ = 1485384.

The previous prime is 1488181. The next prime is 1488199. The reversal of 1488191 is 1918841.

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 1488191 - 2⁶ = 1488127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488199) 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, 341 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (372750).

2^1488191 is an apocalyptic number.

1488191 is a deficient number, since it is larger than the sum of its proper divisors (2809).

1488191 is an equidigital number, since it uses as much as digits as its factorization.

1488191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808.

The product of its digits is 2304, while the sum is 32.

The square root of 1488191 is about 1219.9143412552. The cubic root of 1488191 is about 114.1702340216.

The spelling of 1488191 in words is "one million, four hundred eighty-eight thousand, one hundred ninety-one".