4293664 has 12 divisors (see below), whose sum is σ = 8453214. Its totient is φ = 2146816.

The previous prime is 4293649. The next prime is 4293683. The reversal of 4293664 is 4663924.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 1669264 = 1620^2 + 1292^2 .

It is a d-powerful number, because it can be written as 4⁵ + 2²¹ + 9⁵ + 3¹³ + 6² + 6⁷ + 4⁹ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67057 + ... + 67120.

Almost surely, 2^4293664 is an apocalyptic number.

It is an amenable number.

4293664 is a deficient number, since it is larger than the sum of its proper divisors (4159550).

4293664 is a wasteful number, since it uses less digits than its factorization.

4293664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134187 (or 134179 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 4293664 is about 2072.1158268784. The cubic root of 4293664 is about 162.5334242883.

The spelling of 4293664 in words is "four million, two hundred ninety-three thousand, six hundred sixty-four".