4259664 has 30 divisors (see below), whose sum is σ = 11921546. Its totient is φ = 1419840.

The previous prime is 4259653. The next prime is 4259677. The reversal of 4259664 is 4669524.

4259664 is a `hidden beast` number, since 4 + 2 + 596 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3968064 + 291600 = 1992^2 + 540^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 4⁶ + 2¹¹ + 5³ + 9⁵ + 6 + 6² + 4¹¹ .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 14647 + ... + 14934.

Almost surely, 2^4259664 is an apocalyptic number.

It is an amenable number.

4259664 is an abundant number, since it is smaller than the sum of its proper divisors (7661882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4259664 is a wasteful number, since it uses less digits than its factorization.

4259664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29595 (or 29586 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 4259664 is about 2063.8953461840. The cubic root of 4259664 is about 162.1032720578.

The spelling of 4259664 in words is "four million, two hundred fifty-nine thousand, six hundred sixty-four".