1158366 has 16 divisors (see below), whose sum is σ = 2527488. Its totient is φ = 351000.

The previous prime is 1158361. The next prime is 1158383. The reversal of 1158366 is 6638511.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8710 + ... + 8841.

It is an arithmetic number, because the mean of its divisors is an integer number (157968).

2^1158366 is an apocalyptic number.

1158366 is an abundant number, since it is smaller than the sum of its proper divisors (1369122).

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

1158366 is a wasteful number, since it uses less digits than its factorization.

1158366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17567.

The product of its digits is 4320, while the sum is 30.

The square root of 1158366 is about 1076.2741286494. The cubic root of 1158366 is about 105.0223988496.

The spelling of 1158366 in words is "one million, one hundred fifty-eight thousand, three hundred sixty-six".