1813146 has 8 divisors (see below), whose sum is σ = 3626304. Its totient is φ = 604380.

The previous prime is 1813139. The next prime is 1813157. The reversal of 1813146 is 6413181.

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

1813146 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151090 + ... + 151101.

It is an arithmetic number, because the mean of its divisors is an integer number (453288).

2^1813146 is an apocalyptic number.

1813146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1813146 is a wasteful number, since it uses less digits than its factorization.

1813146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302196.

The product of its digits is 576, while the sum is 24.

The square root of 1813146 is about 1346.5310987868. The cubic root of 1813146 is about 121.9394575537.

The spelling of 1813146 in words is "one million, eight hundred thirteen thousand, one hundred forty-six".