4142784 has 28 divisors (see below), whose sum is σ = 10961624. Its totient is φ = 1380864.

The previous prime is 4142767. The next prime is 4142791. The reversal of 4142784 is 4872414.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10597 + ... + 10980.

Almost surely, 2^4142784 is an apocalyptic number.

It is an amenable number.

4142784 is an abundant number, since it is smaller than the sum of its proper divisors (6818840).

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

4142784 is a wasteful number, since it uses less digits than its factorization.

4142784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21592 (or 21582 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 4142784 is about 2035.3830106395. The cubic root of 4142784 is about 160.6068619973.

The spelling of 4142784 in words is "four million, one hundred forty-two thousand, seven hundred eighty-four".