2309455 has 4 divisors (see below), whose sum is σ = 2771352. Its totient is φ = 1847560.

The previous prime is 2309449. The next prime is 2309471. The reversal of 2309455 is 5549032.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2309455 - 2⁷ = 2309327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 230941 + ... + 230950.

It is an arithmetic number, because the mean of its divisors is an integer number (692838).

2^2309455 is an apocalyptic number.

2309455 is a deficient number, since it is larger than the sum of its proper divisors (461897).

2309455 is an equidigital number, since it uses as much as digits as its factorization.

2309455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461896.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2309455 is about 1519.6891129438. The cubic root of 2309455 is about 132.1812439870.

The spelling of 2309455 in words is "two million, three hundred nine thousand, four hundred fifty-five".