1068624 has 60 divisors (see below), whose sum is σ = 3080532. Its totient is φ = 345600.

The previous prime is 1068619. The next prime is 1068629. The reversal of 1068624 is 4268601.

It is an interprime number because it is at equal distance from previous prime (1068619) and next prime (1068629).

It can be written as a sum of positive squares in 2 ways, for example, as 28224 + 1040400 = 168^2 + 1020^2 .

It is a super-2 number, since 2×1068624² = 2283914506752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068629) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5814 + ... + 5994.

2^1068624 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 1068624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540266).

1068624 is an abundant number, since it is smaller than the sum of its proper divisors (2011908).

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

1068624 is a wasteful number, since it uses less digits than its factorization.

1068624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1068624 is about 1033.7427146055. The cubic root of 1068624 is about 102.2370495890.

The spelling of 1068624 in words is "one million, sixty-eight thousand, six hundred twenty-four".