1489404 has 72 divisors (see below), whose sum is σ = 4309200. Its totient is φ = 397824.

The previous prime is 1489403. The next prime is 1489409. The reversal of 1489404 is 4049841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9922 + ... + 10070.

It is an arithmetic number, because the mean of its divisors is an integer number (59850).

2^1489404 is an apocalyptic number.

1489404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154600).

1489404 is an abundant number, since it is smaller than the sum of its proper divisors (2819796).

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

1489404 is a wasteful number, since it uses less digits than its factorization.

1489404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1489404 is about 1220.4114060431. The cubic root of 1489404 is about 114.2012450241.

The spelling of 1489404 in words is "one million, four hundred eighty-nine thousand, four hundred four".