4240642 has 8 divisors (see below), whose sum is σ = 7269696. Its totient is φ = 1817412.

The previous prime is 4240627. The next prime is 4240661. The reversal of 4240642 is 2460424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 151438 + ... + 151465.

It is an arithmetic number, because the mean of its divisors is an integer number (908712).

Almost surely, 2^4240642 is an apocalyptic number.

4240642 is a deficient number, since it is larger than the sum of its proper divisors (3029054).

4240642 is a wasteful number, since it uses less digits than its factorization.

4240642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302912.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4240642 is about 2059.2819136777. The cubic root of 4240642 is about 161.8616152974.

The spelling of 4240642 in words is "four million, two hundred forty thousand, six hundred forty-two".