1489722 has 32 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 450240.

The previous prime is 1489721. The next prime is 1489723. The reversal of 1489722 is 2279841.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1489721) and next prime (1489723).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5404 + ... + 5672.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^1489722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632960).

1489722 is an abundant number, since it is smaller than the sum of its proper divisors (1776198).

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

1489722 is a wasteful number, since it uses less digits than its factorization.

1489722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

The product of its digits is 8064, while the sum is 33.

The square root of 1489722 is about 1220.5416830244. The cubic root of 1489722 is about 114.2093720807.

It can be divided in two parts, 1489 and 722, that added together give a triangular number (2211 = T₆₆).

The spelling of 1489722 in words is "one million, four hundred eighty-nine thousand, seven hundred twenty-two".