1059440 has 80 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 368640.

The previous prime is 1059439. The next prime is 1059467. The reversal of 1059440 is 449501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1059440² = 2244826227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25820 + ... + 25860.

It is an arithmetic number, because the mean of its divisors is an integer number (35154).

2^1059440 is an apocalyptic number.

1059440 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 1059440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406160).

1059440 is an abundant number, since it is smaller than the sum of its proper divisors (1752880).

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

1059440 is a wasteful number, since it uses less digits than its factorization.

1059440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1059440 is about 1029.2910181285. The cubic root of 1059440 is about 101.9433236334.

The spelling of 1059440 in words is "one million, fifty-nine thousand, four hundred forty".