4492042 has 16 divisors (see below), whose sum is σ = 7144200. Its totient is φ = 2114560.

The previous prime is 4492021. The next prime is 4492049. The reversal of 4492042 is 2402944.

It can be written as a sum of positive squares in 4 ways, for example, as 2752281 + 1739761 = 1659^2 + 1319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4491998 and 4492016.

It is not an unprimeable number, because it can be changed into a prime (4492049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434 + ... + 3322.

Almost surely, 2^4492042 is an apocalyptic number.

4492042 is a deficient number, since it is larger than the sum of its proper divisors (2652158).

4492042 is a wasteful number, since it uses less digits than its factorization.

4492042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4492042 is about 2119.4437949613. The cubic root of 4492042 is about 164.9989837709.

Adding to 4492042 its reverse (2402944), we get a palindrome (6894986).

The spelling of 4492042 in words is "four million, four hundred ninety-two thousand, forty-two".