1488661 has 2 divisors, whose sum is σ = 1488662. Its totient is φ = 1488660.

The previous prime is 1488653. The next prime is 1488667. The reversal of 1488661 is 1668841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1454436 + 34225 = 1206^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1488661 - 2³ = 1488653 is a prime.

It is a super-2 number, since 2×1488661² = 4432223145842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1488667) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744330 + 744331.

It is an arithmetic number, because the mean of its divisors is an integer number (744331).

2^1488661 is an apocalyptic number.

It is an amenable number.

1488661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1488661 is an equidigital number, since it uses as much as digits as its factorization.

1488661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The square root of 1488661 is about 1220.1069625242. The cubic root of 1488661 is about 114.1822518254.

The spelling of 1488661 in words is "one million, four hundred eighty-eight thousand, six hundred sixty-one".