4340427 has 24 divisors (see below), whose sum is σ = 7167744. Its totient is φ = 2287584.

The previous prime is 4340419. The next prime is 4340429. The reversal of 4340427 is 7240434.

It is not a de Polignac number, because 4340427 - 2³ = 4340419 is a prime.

4340427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4340397 and 4340406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4340429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2938 + ... + 4160.

It is an arithmetic number, because the mean of its divisors is an integer number (298656).

Almost surely, 2^4340427 is an apocalyptic number.

4340427 is a deficient number, since it is larger than the sum of its proper divisors (2827317).

4340427 is a wasteful number, since it uses less digits than its factorization.

4340427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 4340427 is about 2083.3691463588. The cubic root of 4340427 is about 163.1213544201.

It can be divided in two parts, 43 and 40427, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 4340427 in words is "four million, three hundred forty thousand, four hundred twenty-seven".