1439480 has 64 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 479232.

The previous prime is 1439447. The next prime is 1439513. The reversal of 1439480 is 849341.

It is an interprime number because it is at equal distance from previous prime (1439447) and next prime (1439513).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14792 + ... + 14888.

It is an arithmetic number, because the mean of its divisors is an integer number (59535).

2^1439480 is an apocalyptic number.

1439480 is a gapful number since it is divisible by the number (10) 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 1439480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905120).

1439480 is an abundant number, since it is smaller than the sum of its proper divisors (2370760).

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

1439480 is a wasteful number, since it uses less digits than its factorization.

1439480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1439480 is about 1199.7833137696. The cubic root of 1439480 is about 112.9107290866.

The spelling of 1439480 in words is "one million, four hundred thirty-nine thousand, four hundred eighty".