2891446 has 4 divisors (see below), whose sum is σ = 4337172. Its totient is φ = 1445722.

The previous prime is 2891431. The next prime is 2891453. The reversal of 2891446 is 6441982.

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

It is a d-powerful number, because it can be written as 2¹⁹ + 8⁷ + 9² + 1 + 4 + 4⁹ + 6⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722860 + ... + 722863.

It is an arithmetic number, because the mean of its divisors is an integer number (1084293).

2^2891446 is an apocalyptic number.

2891446 is a deficient number, since it is larger than the sum of its proper divisors (1445726).

2891446 is a wasteful number, since it uses less digits than its factorization.

2891446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445725.

The product of its digits is 13824, while the sum is 34.

The square root of 2891446 is about 1700.4252409324. The cubic root of 2891446 is about 142.4639654448.

The spelling of 2891446 in words is "two million, eight hundred ninety-one thousand, four hundred forty-six".