2309477 has 2 divisors, whose sum is σ = 2309478. Its totient is φ = 2309476.

The previous prime is 2309471. The next prime is 2309491. The reversal of 2309477 is 7749032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2307361 + 2116 = 1519^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 2309477 - 2⁶ = 2309413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2309471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154738 + 1154739.

It is an arithmetic number, because the mean of its divisors is an integer number (1154739).

2^2309477 is an apocalyptic number.

It is an amenable number.

2309477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2309477 is an equidigital number, since it uses as much as digits as its factorization.

2309477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 2309477 is about 1519.6963512492. The cubic root of 2309477 is about 132.1816637077.

The spelling of 2309477 in words is "two million, three hundred nine thousand, four hundred seventy-seven".