2816901 has 6 divisors (see below), whose sum is σ = 4068870. Its totient is φ = 1877928.

The previous prime is 2816899. The next prime is 2816909. The reversal of 2816901 is 1096182.

It can be written as a sum of positive squares in only one way, i.e., 2556801 + 260100 = 1599^2 + 510^2 .

It is not a de Polignac number, because 2816901 - 2¹ = 2816899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2816909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156486 + ... + 156503.

It is an arithmetic number, because the mean of its divisors is an integer number (678145).

2^2816901 is an apocalyptic number.

It is an amenable number.

2816901 is a deficient number, since it is larger than the sum of its proper divisors (1251969).

2816901 is a wasteful number, since it uses less digits than its factorization.

2816901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312995 (or 312992 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2816901 is about 1678.3625949121. The cubic root of 2816901 is about 141.2289926207.

The spelling of 2816901 in words is "two million, eight hundred sixteen thousand, nine hundred one".