1489390 has 16 divisors (see below), whose sum is σ = 3064032. Its totient is φ = 510624.

The previous prime is 1489351. The next prime is 1489393. The reversal of 1489390 is 939841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489393) 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, 10569 + ... + 10708.

It is an arithmetic number, because the mean of its divisors is an integer number (191502).

2^1489390 is an apocalyptic number.

1489390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1489390 is an abundant number, since it is smaller than the sum of its proper divisors (1574642).

1489390 is a wasteful number, since it uses less digits than its factorization.

1489390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21291.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1489390 is about 1220.4056702589. The cubic root of 1489390 is about 114.2008872026.

The spelling of 1489390 in words is "one million, four hundred eighty-nine thousand, three hundred ninety".