1158946 has 4 divisors (see below), whose sum is σ = 1738422. Its totient is φ = 579472.

The previous prime is 1158923. The next prime is 1158953. The reversal of 1158946 is 6498511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 168921 = 995^2 + 411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289735 + ... + 289738.

2^1158946 is an apocalyptic number.

1158946 is a deficient number, since it is larger than the sum of its proper divisors (579476).

1158946 is an equidigital number, since it uses as much as digits as its factorization.

1158946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579475.

The product of its digits is 8640, while the sum is 34.

The square root of 1158946 is about 1076.5435430116. The cubic root of 1158946 is about 105.0399243489.

The spelling of 1158946 in words is "one million, one hundred fifty-eight thousand, nine hundred forty-six".