4286624 has 24 divisors (see below), whose sum is σ = 8532468. Its totient is φ = 2119680.

The previous prime is 4286617. The next prime is 4286629. The reversal of 4286624 is 4266824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 10000 = 2068^2 + 100^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 4⁶ + 2⁹ + 8³ + 6⁵ + 6⁶ + 2¹⁵ + 4¹¹ .

It is not an unprimeable number, because it can be changed into a prime (4286629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414 + ... + 3794.

Almost surely, 2^4286624 is an apocalyptic number.

It is an amenable number.

4286624 is a deficient number, since it is larger than the sum of its proper divisors (4245844).

4286624 is a wasteful number, since it uses less digits than its factorization.

4286624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1480 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 4286624 is about 2070.4163832428. The cubic root of 4286624 is about 162.4445443907. Note that the first 3 decimals are identical.

The spelling of 4286624 in words is "four million, two hundred eighty-six thousand, six hundred twenty-four".