1489716 has 18 divisors (see below), whose sum is σ = 3765762. Its totient is φ = 496560.

The previous prime is 1489673. The next prime is 1489717. The reversal of 1489716 is 6179841.

It can be written as a sum of positive squares in only one way, i.e., 1313316 + 176400 = 1146^2 + 420^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 41381 = 1489716 / (1 + 4 + 8 + 9 + 7 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20655 + ... + 20726.

It is an arithmetic number, because the mean of its divisors is an integer number (209209).

2^1489716 is an apocalyptic number.

It is an amenable number.

1489716 is an abundant number, since it is smaller than the sum of its proper divisors (2276046).

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

1489716 is a wasteful number, since it uses less digits than its factorization.

1489716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41391 (or 41386 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1489716 is about 1220.5392250968. The cubic root of 1489716 is about 114.2092187507.

The spelling of 1489716 in words is "one million, four hundred eighty-nine thousand, seven hundred sixteen".