1146538 has 8 divisors (see below), whose sum is σ = 1743588. Its totient is φ = 565344.

The previous prime is 1146533. The next prime is 1146539. The reversal of 1146538 is 8356411.

It can be written as a sum of positive squares in 2 ways, for example, as 1054729 + 91809 = 1027^2 + 303^2 .

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1146533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781 + ... + 4072.

2^1146538 is an apocalyptic number.

1146538 is a deficient number, since it is larger than the sum of its proper divisors (597050).

1146538 is an equidigital number, since it uses as much as digits as its factorization.

1146538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928.

The product of its digits is 2880, while the sum is 28.

The square root of 1146538 is about 1070.7651469860. The cubic root of 1146538 is about 104.6637162722.

The spelling of 1146538 in words is "one million, one hundred forty-six thousand, five hundred thirty-eight".