1068538 has 8 divisors (see below), whose sum is σ = 1610388. Its totient is φ = 531744.

The previous prime is 1068517. The next prime is 1068559. The reversal of 1068538 is 8358601.

It is an interprime number because it is at equal distance from previous prime (1068517) and next prime (1068559).

It can be written as a sum of positive squares in 2 ways, for example, as 994009 + 74529 = 997^2 + 273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1068538² = 2283546914888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681 + ... + 1612.

2^1068538 is an apocalyptic number.

1068538 is a deficient number, since it is larger than the sum of its proper divisors (541850).

1068538 is a wasteful number, since it uses less digits than its factorization.

1068538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1068538 is about 1033.7011173449. The cubic root of 1068538 is about 102.2343069274.

The spelling of 1068538 in words is "one million, sixty-eight thousand, five hundred thirty-eight".