2306890 has 16 divisors (see below), whose sum is σ = 4170600. Its totient is φ = 918720.

The previous prime is 2306881. The next prime is 2306893. The reversal of 2306890 is 986032.

It can be written as a sum of positive squares in 4 ways, for example, as 2229049 + 77841 = 1493^2 + 279^2 .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2306893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3160 + ... + 3820.

2^2306890 is an apocalyptic number.

2306890 is a deficient number, since it is larger than the sum of its proper divisors (1863710).

2306890 is a wasteful number, since it uses less digits than its factorization.

2306890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2306890 is about 1518.8449558793. The cubic root of 2306890 is about 132.1322900869.

The spelling of 2306890 in words is "two million, three hundred six thousand, eight hundred ninety".