2301439 has 4 divisors (see below), whose sum is σ = 2630224. Its totient is φ = 1972656.

The previous prime is 2301421. The next prime is 2301461. The reversal of 2301439 is 9341032.

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

It is not a de Polignac number, because 2301439 - 2⁵ = 2301407 is a prime.

It is a Duffinian number.

2301439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164382 + ... + 164395.

It is an arithmetic number, because the mean of its divisors is an integer number (657556).

2^2301439 is an apocalyptic number.

2301439 is a deficient number, since it is larger than the sum of its proper divisors (328785).

2301439 is an equidigital number, since it uses as much as digits as its factorization.

2301439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328784.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2301439 is about 1517.0494388780. The cubic root of 2301439 is about 132.0281352638.

The spelling of 2301439 in words is "two million, three hundred one thousand, four hundred thirty-nine".