1488665 has 8 divisors (see below), whose sum is σ = 1797768. Its totient is φ = 1183360.

The previous prime is 1488661. The next prime is 1488667. The reversal of 1488665 is 5668841.

1488665 = T₄₃₈ + T₄₃₉ + ... + T₄₅₂.

It can be written as a sum of positive squares in 4 ways, for example, as 597529 + 891136 = 773^2 + 944^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1488665 - 2² = 1488661 is a prime.

It is a super-2 number, since 2×1488665² = 4432246964450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1488661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (224721).

2^1488665 is an apocalyptic number.

It is an amenable number.

1488665 is a deficient number, since it is larger than the sum of its proper divisors (309103).

1488665 is a wasteful number, since it uses less digits than its factorization.

1488665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899.

The product of its digits is 46080, while the sum is 38.

The square root of 1488665 is about 1220.1086017236. The cubic root of 1488665 is about 114.1823540937.

The spelling of 1488665 in words is "one million, four hundred eighty-eight thousand, six hundred sixty-five".