1078506 has 48 divisors (see below), whose sum is σ = 2751840. Its totient is φ = 300960.

The previous prime is 1078489. The next prime is 1078507. The reversal of 1078506 is 6058701.

It is a self number, because there is not a number n which added to its sum of digits gives 1078506.

It is not an unprimeable number, because it can be changed into a prime (1078507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2365 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

2^1078506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375920).

1078506 is an abundant number, since it is smaller than the sum of its proper divisors (1673334).

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

1078506 is a wasteful number, since it uses less digits than its factorization.

1078506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1078506 is about 1038.5114346987. The cubic root of 1078506 is about 102.5512256344.

The spelling of 1078506 in words is "one million, seventy-eight thousand, five hundred six".