4890042 has 24 divisors (see below), whose sum is σ = 10640916. Its totient is φ = 1622976.

The previous prime is 4890037. The next prime is 4890043. The reversal of 4890042 is 2400984.

It can be written as a sum of positive squares in 2 ways, for example, as 4888521 + 1521 = 2211^2 + 39^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4889988 and 4890015.

It is not an unprimeable number, because it can be changed into a prime (4890043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5278 + ... + 6134.

Almost surely, 2^4890042 is an apocalyptic number.

4890042 is an abundant number, since it is smaller than the sum of its proper divisors (5750874).

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

4890042 is a wasteful number, since it uses less digits than its factorization.

4890042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4890042 is about 2211.3439352575. The cubic root of 4890042 is about 169.7347883121.

The spelling of 4890042 in words is "four million, eight hundred ninety thousand, forty-two".