2890361 has 4 divisors (see below), whose sum is σ = 2893812. Its totient is φ = 2886912.

The previous prime is 2890319. The next prime is 2890369. The reversal of 2890361 is 1630982.

2890361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1630982 = 2 ⋅815491.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 469225 = 1556^2 + 685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2890361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2890369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (723453).

2^2890361 is an apocalyptic number.

It is an amenable number.

2890361 is a deficient number, since it is larger than the sum of its proper divisors (3451).

2890361 is a wasteful number, since it uses less digits than its factorization.

2890361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2890361 is about 1700.1061731551. The cubic root of 2890361 is about 142.4461435960.

It can be divided in two parts, 2890 and 361, that multiplied together give a triangular number (1043290 = T₁₄₄₄).

The spelling of 2890361 in words is "two million, eight hundred ninety thousand, three hundred sixty-one".