4202872 has 8 divisors (see below), whose sum is σ = 7880400. Its totient is φ = 2101432.

The previous prime is 4202851. The next prime is 4202897. The reversal of 4202872 is 2782024.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 262672 + ... + 262687.

It is an arithmetic number, because the mean of its divisors is an integer number (985050).

Almost surely, 2^4202872 is an apocalyptic number.

It is an amenable number.

4202872 is a deficient number, since it is larger than the sum of its proper divisors (3677528).

4202872 is a wasteful number, since it uses less digits than its factorization.

4202872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525365 (or 525361 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4202872 is about 2050.0907296995. The cubic root of 4202872 is about 161.3796321522.

Adding to 4202872 its reverse (2782024), we get a palindrome (6984896).

The spelling of 4202872 in words is "four million, two hundred two thousand, eight hundred seventy-two".