1065438 has 24 divisors (see below), whose sum is σ = 2518776. Its totient is φ = 322800.

The previous prime is 1065433. The next prime is 1065469. The reversal of 1065438 is 8345601.

1065438 is a `hidden beast` number, since 1 + 0 + 654 + 3 + 8 = 666.

It is a super-2 number, since 2×1065438² = 2270316263688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2493 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (104949).

2^1065438 is an apocalyptic number.

1065438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1065438 is an abundant number, since it is smaller than the sum of its proper divisors (1453338).

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

1065438 is a wasteful number, since it uses less digits than its factorization.

1065438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400 (or 5397 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1065438 is about 1032.2005619065. The cubic root of 1065438 is about 102.1353451275.

The spelling of 1065438 in words is "one million, sixty-five thousand, four hundred thirty-eight".