4242642 has 32 divisors (see below), whose sum is σ = 9028800. Its totient is φ = 1326528.

The previous prime is 4242619. The next prime is 4242659. The reversal of 4242642 is 2462424.

It is a super-2 number, since 2×4242642² = 36000022280328, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4² + 2 + 4⁵ + 2⁷ + 6⁶ + 4¹¹ + 2⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6109 + ... + 6767.

It is an arithmetic number, because the mean of its divisors is an integer number (282150).

Almost surely, 2^4242642 is an apocalyptic number.

4242642 is an abundant number, since it is smaller than the sum of its proper divisors (4786158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4242642 is a wasteful number, since it uses less digits than its factorization.

4242642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its digits is 3072, while the sum is 24.

The square root of 4242642 is about 2059.7674626035. The cubic root of 4242642 is about 161.8870573846.

It can be divided in two parts, 4242 and 642, that added together give a palindrome (4884).

The spelling of 4242642 in words is "four million, two hundred forty-two thousand, six hundred forty-two".