1064440 has 64 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 371712.

The previous prime is 1064431. The next prime is 1064467. The reversal of 1064440 is 444601.

It is a super-2 number, since 2×1064440² = 2266065027200, 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11916 + ... + 12004.

It is an arithmetic number, because the mean of its divisors is an integer number (42525).

2^1064440 is an apocalyptic number.

1064440 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 1064440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360800).

1064440 is an abundant number, since it is smaller than the sum of its proper divisors (1657160).

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

1064440 is a wasteful number, since it uses less digits than its factorization.

1064440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1064440 is about 1031.7170154650. The cubic root of 1064440 is about 102.1034449708.

The spelling of 1064440 in words is "one million, sixty-four thousand, four hundred forty".