4259656 has 16 divisors (see below), whose sum is σ = 8456940. Its totient is φ = 2004480.

The previous prime is 4259653. The next prime is 4259677. The reversal of 4259656 is 6569524.

It can be written as a sum of positive squares in 2 ways, for example, as 4137156 + 122500 = 2034^2 + 350^2 .

It is not an unprimeable number, because it can be changed into a prime (4259653) 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, 15525 + ... + 15796.

Almost surely, 2^4259656 is an apocalyptic number.

It is an amenable number.

4259656 is a deficient number, since it is larger than the sum of its proper divisors (4197284).

4259656 is a wasteful number, since it uses less digits than its factorization.

4259656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31344 (or 31340 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 4259656 is about 2063.8934081003. The cubic root of 4259656 is about 162.1031705766.

Subtracting from 4259656 its product of digits (64800), we obtain a triangular number (4194856 = T₂₈₉₆).

The spelling of 4259656 in words is "four million, two hundred fifty-nine thousand, six hundred fifty-six".