2276389 has 2 divisors, whose sum is σ = 2276390. Its totient is φ = 2276388.

The previous prime is 2276383. The next prime is 2276399. The reversal of 2276389 is 9836722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2102500 + 173889 = 1450^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 2276389 - 2⁵ = 2276357 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2²¹ + 7² + 6⁴ + 3¹¹ + 8 + 9³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2276383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138194 + 1138195.

It is an arithmetic number, because the mean of its divisors is an integer number (1138195).

2^2276389 is an apocalyptic number.

It is an amenable number.

2276389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2276389 is an equidigital number, since it uses as much as digits as its factorization.

2276389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 2276389 is about 1508.7706916560. The cubic root of 2276389 is about 131.5473668799.

The spelling of 2276389 in words is "two million, two hundred seventy-six thousand, three hundred eighty-nine".