2146394 has 8 divisors (see below), whose sum is σ = 3280500. Its totient is φ = 1052896.

The previous prime is 2146393. The next prime is 2146423. The reversal of 2146394 is 4936412.

It can be written as a sum of positive squares in 2 ways, for example, as 2146225 + 169 = 1465^2 + 13^2 .

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

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2146393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10019 + ... + 10230.

2^2146394 is an apocalyptic number.

2146394 is a deficient number, since it is larger than the sum of its proper divisors (1134106).

2146394 is a wasteful number, since it uses less digits than its factorization.

2146394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20304.

The product of its digits is 5184, while the sum is 29.

The square root of 2146394 is about 1465.0576780455. The cubic root of 2146394 is about 128.9940906293.

The spelling of 2146394 in words is "two million, one hundred forty-six thousand, three hundred ninety-four".