4285438 has 4 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 2142718.

The previous prime is 4285427. The next prime is 4285447. The reversal of 4285438 is 8345824.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 4 + 2²² + 8 + 5⁶ + 4⁷ + 3¹⁰ + 8² .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071358 + ... + 1071361.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 2^4285438 is an apocalyptic number.

4285438 is a deficient number, since it is larger than the sum of its proper divisors (2142722).

4285438 is a wasteful number, since it uses less digits than its factorization.

4285438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142721.

The product of its digits is 30720, while the sum is 34.

The square root of 4285438 is about 2070.1299476120. The cubic root of 4285438 is about 162.4295615821.

The spelling of 4285438 in words is "four million, two hundred eighty-five thousand, four hundred thirty-eight".