1065904 has 40 divisors (see below), whose sum is σ = 2444288. Its totient is φ = 440640.

The previous prime is 1065901. The next prime is 1065937. The reversal of 1065904 is 4095601.

It is a super-2 number, since 2×1065904² = 2272302674432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065901) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3319 + ... + 3625.

2^1065904 is an apocalyptic number.

1065904 is a gapful number since it is divisible by the number (14) 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 1065904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222144).

1065904 is an abundant number, since it is smaller than the sum of its proper divisors (1378384).

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

1065904 is a wasteful number, since it uses less digits than its factorization.

1065904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1065904 is about 1032.4262685538. The cubic root of 1065904 is about 102.1502335688.

The spelling of 1065904 in words is "one million, sixty-five thousand, nine hundred four".