1488857 has 2 divisors, whose sum is σ = 1488858. Its totient is φ = 1488856.

The previous prime is 1488847. The next prime is 1488869. The reversal of 1488857 is 7588841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478656 + 10201 = 1216^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 1488857 - 2⁶ = 1488793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1488847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744428 + 744429.

It is an arithmetic number, because the mean of its divisors is an integer number (744429).

2^1488857 is an apocalyptic number.

It is an amenable number.

1488857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1488857 is an equidigital number, since it uses as much as digits as its factorization.

1488857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71680, while the sum is 41.

The square root of 1488857 is about 1220.1872807074. The cubic root of 1488857 is about 114.1872627578.

The spelling of 1488857 in words is "one million, four hundred eighty-eight thousand, eight hundred fifty-seven".