4259397 has 4 divisors (see below), whose sum is σ = 5679200. Its totient is φ = 2839596.

The previous prime is 4259389. The next prime is 4259399. The reversal of 4259397 is 7939524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4259397 - 2³ = 4259389 is a prime.

It is a D-number.

It is a Duffinian number.

4259397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4259399) 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 3 ways as a sum of consecutive naturals, for example, 709897 + ... + 709902.

It is an arithmetic number, because the mean of its divisors is an integer number (1419800).

Almost surely, 2^4259397 is an apocalyptic number.

It is an amenable number.

4259397 is a deficient number, since it is larger than the sum of its proper divisors (1419803).

4259397 is a wasteful number, since it uses less digits than its factorization.

4259397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419802.

The product of its digits is 68040, while the sum is 39.

The square root of 4259397 is about 2063.8306616581. The cubic root of 4259397 is about 162.0998850552.

It can be divided in two parts, 4259 and 397, that added together give a triangular number (4656 = T₉₆).

The spelling of 4259397 in words is "four million, two hundred fifty-nine thousand, three hundred ninety-seven".