1489668 has 12 divisors (see below), whose sum is σ = 3475920. Its totient is φ = 496552.

The previous prime is 1489667. The next prime is 1489669. The reversal of 1489668 is 8669841.

It is an interprime number because it is at equal distance from previous prime (1489667) and next prime (1489669).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1489668² = 4438221500448, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1489661) 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, 62058 + ... + 62081.

It is an arithmetic number, because the mean of its divisors is an integer number (289660).

2^1489668 is an apocalyptic number.

It is an amenable number.

1489668 is an abundant number, since it is smaller than the sum of its proper divisors (1986252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1489668 is a wasteful number, since it uses less digits than its factorization.

1489668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124146 (or 124144 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1489668 is about 1220.5195614983. The cubic root of 1489668 is about 114.2079920960.

The spelling of 1489668 in words is "one million, four hundred eighty-nine thousand, six hundred sixty-eight".