1078624 has 24 divisors (see below), whose sum is σ = 2183328. Its totient is φ = 524160.

The previous prime is 1078589. The next prime is 1078643. The reversal of 1078624 is 4268701.

1078624 = 97² + 98² + ... + 160².

It is a junction number, because it is equal to n+sod(n) for n = 1078592 and 1078601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (90972).

2^1078624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091664).

1078624 is an abundant number, since it is smaller than the sum of its proper divisors (1104704).

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

1078624 is an equidigital number, since it uses as much as digits as its factorization.

1078624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1078624 is about 1038.5682452299. The cubic root of 1078624 is about 102.5549655621.

The spelling of 1078624 in words is "one million, seventy-eight thousand, six hundred twenty-four".