4201642 has 4 divisors (see below), whose sum is σ = 6302466. Its totient is φ = 2100820.

The previous prime is 4201633. The next prime is 4201649. The reversal of 4201642 is 2461024.

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

It can be written as a sum of positive squares in only one way, i.e., 2989441 + 1212201 = 1729^2 + 1101^2 .

It is not an unprimeable number, because it can be changed into a prime (4201649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050409 + ... + 1050412.

Almost surely, 2^4201642 is an apocalyptic number.

4201642 is a deficient number, since it is larger than the sum of its proper divisors (2100824).

4201642 is a wasteful number, since it uses less digits than its factorization.

4201642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100823.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4201642 is about 2049.7907210250. The cubic root of 4201642 is about 161.3638876554.

Adding to 4201642 its reverse (2461024), we get a palindrome (6662666).

The spelling of 4201642 in words is "four million, two hundred one thousand, six hundred forty-two".