1158606 has 24 divisors (see below), whose sum is σ = 2530944. Its totient is φ = 383040.

The previous prime is 1158593. The next prime is 1158607. The reversal of 1158606 is 6068511.

1158606 is a `hidden beast` number, since 1 + 1 + 58 + 606 = 666.

It is an Ulam number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1158606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3270 + ... + 3606.

It is an arithmetic number, because the mean of its divisors is an integer number (105456).

2^1158606 is an apocalyptic number.

1158606 is an abundant number, since it is smaller than the sum of its proper divisors (1372338).

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

1158606 is a wasteful number, since it uses less digits than its factorization.

1158606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1158606 is about 1076.3856186330. The cubic root of 1158606 is about 105.0296514897.

It can be divided in two parts, 1158 and 606, that added together give a square (1764 = 42²).

The spelling of 1158606 in words is "one million, one hundred fifty-eight thousand, six hundred six".