1095440 has 20 divisors (see below), whose sum is σ = 2547084. Its totient is φ = 438144.

The previous prime is 1095439. The next prime is 1095443. The reversal of 1095440 is 445901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 234256 = 928^2 + 484^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1095443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6767 + ... + 6926.

2^1095440 is an apocalyptic number.

1095440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1095440 is an abundant number, since it is smaller than the sum of its proper divisors (1451644).

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

1095440 is a wasteful number, since it uses less digits than its factorization.

1095440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706 (or 13700 counting only the distinct ones).

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

The square root of 1095440 is about 1046.6326958394. The cubic root of 1095440 is about 103.0851716414.

The spelling of 1095440 in words is "one million, ninety-five thousand, four hundred forty".