2816461 has 4 divisors (see below), whose sum is σ = 2820924. Its totient is φ = 2812000.

The previous prime is 2816459. The next prime is 2816501. The reversal of 2816461 is 1646182.

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

It can be written as a sum of positive squares in 2 ways, for example, as 367236 + 2449225 = 606^2 + 1565^2 .

It is a cyclic number.

It is not a de Polignac number, because 2816461 - 2¹ = 2816459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2816861) 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, 1090 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (705231).

2^2816461 is an apocalyptic number.

It is an amenable number.

2816461 is a deficient number, since it is larger than the sum of its proper divisors (4463).

2816461 is an equidigital number, since it uses as much as digits as its factorization.

2816461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462.

The product of its digits is 2304, while the sum is 28.

The square root of 2816461 is about 1678.2315096553. The cubic root of 2816461 is about 141.2216389139.

The spelling of 2816461 in words is "two million, eight hundred sixteen thousand, four hundred sixty-one".