4240286 has 4 divisors (see below), whose sum is σ = 6360432. Its totient is φ = 2120142.

The previous prime is 4240279. The next prime is 4240289. The reversal of 4240286 is 6820424.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240289) 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 as a sum of consecutive naturals, namely, 1060070 + ... + 1060073.

It is an arithmetic number, because the mean of its divisors is an integer number (1590108).

Almost surely, 2^4240286 is an apocalyptic number.

4240286 is a deficient number, since it is larger than the sum of its proper divisors (2120146).

4240286 is a wasteful number, since it uses less digits than its factorization.

4240286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120145.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4240286 is about 2059.1954739655. The cubic root of 4240286 is about 161.8570857672.

The spelling of 4240286 in words is "four million, two hundred forty thousand, two hundred eighty-six".