1078340 has 12 divisors (see below), whose sum is σ = 2264556. Its totient is φ = 431328.

The previous prime is 1078333. The next prime is 1078367. The reversal of 1078340 is 438701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 217156 + 861184 = 466^2 + 928^2 .

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 3 ways as a sum of consecutive naturals, for example, 26939 + ... + 26978.

It is an arithmetic number, because the mean of its divisors is an integer number (188713).

2^1078340 is an apocalyptic number.

1078340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078340 is an abundant number, since it is smaller than the sum of its proper divisors (1186216).

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

1078340 is a wasteful number, since it uses less digits than its factorization.

1078340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53926 (or 53924 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1078340 is about 1038.4315095373. The cubic root of 1078340 is about 102.5459639184.

The spelling of 1078340 in words is "one million, seventy-eight thousand, three hundred forty".