1488791 has 2 divisors, whose sum is σ = 1488792. Its totient is φ = 1488790.

The previous prime is 1488787. The next prime is 1488793. The reversal of 1488791 is 1978841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1488791 - 2² = 1488787 is a prime.

Together with 1488793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1488793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744395 + 744396.

It is an arithmetic number, because the mean of its divisors is an integer number (744396).

2^1488791 is an apocalyptic number.

1488791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1488791 is an equidigital number, since it uses as much as digits as its factorization.

1488791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 38.

The square root of 1488791 is about 1220.1602353789. The cubic root of 1488791 is about 114.1855754521.

The spelling of 1488791 in words is "one million, four hundred eighty-eight thousand, seven hundred ninety-one".